diff --git a/Changelog.md b/Changelog.md
index d514150..f2df5a4 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,6 +1,8 @@
 # JAVE2
 
 ## Changelog
+- **2.7.3**
+   - Close class reference when binary was extracted from jar file
 - **2.7.2**
    - Handle invalid/unknown duration values in containers
 - **2.7.1**
diff --git a/README.md b/README.md
index b78a570..993d908 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ It includes all binaries for the supported platforms
 <dependency>
  <groupId>ws.schild</groupId>
  <artifactId>jave-all-deps</artifactId>
- <version>2.7.2</version>
+ <version>2.7.3</version>
 </dependency>
 ```
 
@@ -60,7 +60,7 @@ Generally if you want to use for one platform or more what you have to do is add
 <dependency>
     <groupId>ws.schild</groupId>
     <artifactId>jave-core</artifactId>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
 </dependency>
 ```
 
@@ -71,7 +71,7 @@ and then the specific jar(s) for your platform(s) :
 <dependency>
     <groupId>ws.schild</groupId>
     <artifactId>jave-nativebin-linux64</artifactId>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
 </dependency>
 ```
 
@@ -80,7 +80,7 @@ and then the specific jar(s) for your platform(s) :
 <dependency>
     <groupId>ws.schild</groupId>
     <artifactId>jave-nativebin-win64</artifactId>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
 </dependency>
 ```
 
@@ -89,7 +89,7 @@ and then the specific jar(s) for your platform(s) :
 <dependency>
     <groupId>ws.schild</groupId>
     <artifactId>jave-nativebin-osx64</artifactId>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
 </dependency>
 ```
 
@@ -98,13 +98,13 @@ and then the specific jar(s) for your platform(s) :
 It includes all binaries for the supported platforms
 
 ``` XML
-compile group: 'ws.schild', name: 'jave-all-deps', version: '2.7.2'
+compile group: 'ws.schild', name: 'jave-all-deps', version: '2.7.3'
 ```
 
 ### For one platform only (Linux 64Bit in this case)
 ``` XML
-compile group: 'ws.schild', name: 'jave-core', version: '2.7.2'
-compile group: 'ws.schild', name: 'jave-nativebin-linux64', version: '2.7.2'
+compile group: 'ws.schild', name: 'jave-core', version: '2.7.3'
+compile group: 'ws.schild', name: 'jave-nativebin-linux64', version: '2.7.3'
 ```
 
 ### Main Components of Jave2
diff --git a/jave-all-deps/pom.xml b/jave-all-deps/pom.xml
index 7c131e1..5b1b54c 100644
--- a/jave-all-deps/pom.xml
+++ b/jave-all-deps/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>ws.schild</groupId>
     <packaging>jar</packaging>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
     <artifactId>jave-all-deps</artifactId>
        <name>Jave all native dependencies package</name>
     <description>The JAVE (Java Audio Video Encoder) library is Java wrapper on the 
@@ -152,32 +152,32 @@
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-core</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-win32</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-win64</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-linux32</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-linux64</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-osx64</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api -->
         <dependency>
diff --git a/jave-core-test-java11/pom.xml b/jave-core-test-java11/pom.xml
index 2b233b4..f2366ff 100644
--- a/jave-core-test-java11/pom.xml
+++ b/jave-core-test-java11/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>ws.schild</groupId>
     <packaging>jar</packaging>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
     <artifactId>jave-core-test-java11</artifactId>
     <properties>
         <maven.compiler.source>11</maven.compiler.source>
@@ -38,32 +38,32 @@
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-core</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-win32</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-win64</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-linux32</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-linux64</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-osx64</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api -->
         <dependency>
diff --git a/jave-core-test/pom.xml b/jave-core-test/pom.xml
index ddfd89a..033ebd8 100644
--- a/jave-core-test/pom.xml
+++ b/jave-core-test/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>ws.schild</groupId>
     <packaging>jar</packaging>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
     <artifactId>jave-core-test</artifactId>
     <properties>
         <maven.compiler.source>1.8</maven.compiler.source>
@@ -38,32 +38,32 @@
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-core</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-win32</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-win64</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-linux32</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-linux64</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-osx64</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api -->
         <dependency>
diff --git a/jave-core/pom.xml b/jave-core/pom.xml
index 76b3ed9..11835d1 100644
--- a/jave-core/pom.xml
+++ b/jave-core/pom.xml
@@ -4,7 +4,7 @@
     <groupId>ws.schild</groupId>
     <artifactId>jave-core</artifactId>
     <packaging>jar</packaging>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
     <name>Jave core package</name>
     <description>The JAVE (Java Audio Video Encoder) library is Java wrapper on the 
         ffmpeg project. Developers can take take advantage of JAVE2 to transcode 
diff --git a/jave-core/src/main/java/ws/schild/jave/DefaultFFMPEGLocator.java b/jave-core/src/main/java/ws/schild/jave/DefaultFFMPEGLocator.java
index 9949aa1..d8ba337 100644
--- a/jave-core/src/main/java/ws/schild/jave/DefaultFFMPEGLocator.java
+++ b/jave-core/src/main/java/ws/schild/jave/DefaultFFMPEGLocator.java
@@ -43,7 +43,7 @@ public class DefaultFFMPEGLocator extends FFMPEGLocator {
      * Trace the version of the bundled ffmpeg executable. It's a counter: every
      * time the bundled ffmpeg change it is incremented by 1.
      */
-    private static final String MY_EXE_VERSION = "2.7.2";
+    private static final String MY_EXE_VERSION = "2.7.3";
 
     /**
      * The ffmpeg executable file path.
@@ -154,6 +154,14 @@ private void copyFile(String path, File dest) {
                 {
                     LOG.error("Copy resource to target <{}> failed", dest.getAbsolutePath());
                 }
+                try
+                {
+                    is.close();
+                }
+                catch (IOException ioex)
+                {
+                    LOG.warn("Error in closing input stream", ioex);
+                }
             }
             else
             {
diff --git a/jave-example/pom.xml b/jave-example/pom.xml
index 211862c..68dc2ab 100644
--- a/jave-example/pom.xml
+++ b/jave-example/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>ws.schild</groupId>
     <packaging>jar</packaging>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
     <artifactId>jave-example</artifactId>
     <properties>
         <maven.compiler.source>12</maven.compiler.source>
@@ -66,12 +66,12 @@
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-core</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <dependency>
             <groupId>ws.schild</groupId>
             <artifactId>jave-nativebin-linux32</artifactId>
-            <version>2.7.2</version>
+            <version>2.7.3</version>
         </dependency>    
         <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-simple -->
         <dependency>
diff --git a/jave-nativebin-linux32/pom.xml b/jave-nativebin-linux32/pom.xml
index f1eb940..1b49b6c 100644
--- a/jave-nativebin-linux32/pom.xml
+++ b/jave-nativebin-linux32/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>ws.schild</groupId>
     <packaging>jar</packaging>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
     <artifactId>jave-nativebin-linux32</artifactId>
     <name>Jave linux 32 bit native package</name>
     <description>The JAVE (Java Audio Video Encoder) library is Java wrapper on the 
diff --git a/jave-nativebin-linux64/pom.xml b/jave-nativebin-linux64/pom.xml
index 6be1470..32ca1a8 100644
--- a/jave-nativebin-linux64/pom.xml
+++ b/jave-nativebin-linux64/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>ws.schild</groupId>
     <packaging>jar</packaging>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
     <artifactId>jave-nativebin-linux64</artifactId>
     <name>Jave linux 64 bit native package</name>
     <description>The JAVE (Java Audio Video Encoder) library is Java wrapper on the 
diff --git a/jave-nativebin-osx64/pom.xml b/jave-nativebin-osx64/pom.xml
index 1115b68..a416498 100644
--- a/jave-nativebin-osx64/pom.xml
+++ b/jave-nativebin-osx64/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>ws.schild</groupId>
     <packaging>jar</packaging>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
     <artifactId>jave-nativebin-osx64</artifactId>
     <name>Jave OSX 64 bit native package</name>
     <description>The JAVE (Java Audio Video Encoder) library is Java wrapper on the 
diff --git a/jave-nativebin-win32/pom.xml b/jave-nativebin-win32/pom.xml
index b1423d1..8d5bd5e 100644
--- a/jave-nativebin-win32/pom.xml
+++ b/jave-nativebin-win32/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>ws.schild</groupId>
     <packaging>jar</packaging>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
     <artifactId>jave-nativebin-win32</artifactId>
     <name>Jave windows 32 bit native package</name>
     <description>The JAVE (Java Audio Video Encoder) library is Java wrapper on the 
diff --git a/jave-nativebin-win64/pom.xml b/jave-nativebin-win64/pom.xml
index c3f580d..2e0a3d8 100644
--- a/jave-nativebin-win64/pom.xml
+++ b/jave-nativebin-win64/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>ws.schild</groupId>
     <packaging>jar</packaging>
-    <version>2.7.2</version>
+    <version>2.7.3</version>
     <artifactId>jave-nativebin-win64</artifactId>
     <name>Jave windows 64 bit native package</name>
     <description>The JAVE (Java Audio Video Encoder) library is Java wrapper on the 
diff --git a/pom.xml b/pom.xml
index 6dcdb35..0932dd3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,14 +4,14 @@
     <artifactId>jave-modules</artifactId>
     <packaging>pom</packaging>
     <properties>
-        <revision>2.7.2</revision>
+        <revision>2.7.3</revision>
         <!-- Don't forget to change it also in DefaultFFMPEGLocator.java  -->
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
-    <version>2.7.2</version>
+    <version>2.7.3</version>
     <name>Jave master project</name>
     <description>Jave master project</description>
     <url>https://github.com/a-schild/jave2</url>