diff --git a/bouncy-castle/src/main/kotlin/de/cmdjulian/graal/bouncycastle/BouncyCastleFeature.kt b/bouncy-castle/src/main/kotlin/de/cmdjulian/graal/bouncycastle/BouncyCastleFeature.kt
index 42bc832..88ac2c0 100644
--- a/bouncy-castle/src/main/kotlin/de/cmdjulian/graal/bouncycastle/BouncyCastleFeature.kt
+++ b/bouncy-castle/src/main/kotlin/de/cmdjulian/graal/bouncycastle/BouncyCastleFeature.kt
@@ -2,6 +2,7 @@ package de.cmdjulian.graal.bouncycastle
 
 import org.graalvm.nativeimage.hosted.Feature
 import org.graalvm.nativeimage.hosted.Feature.AfterRegistrationAccess
+import org.graalvm.nativeimage.hosted.RuntimeClassInitialization
 import java.security.Provider
 import java.security.Security
 
@@ -21,6 +22,11 @@ class BouncyCastleFeature : Feature {
         }
 
         println("INFO: found and registered bouncy castle")
+        RuntimeClassInitialization.initializeAtBuildTime("org.bouncycastle")
+        RuntimeClassInitialization.initializeAtRunTime(
+            "org.bouncycastle.jcajce.provider.drbg.DRBG\$Default",
+            "org.bouncycastle.jcajce.provider.drbg.DRBG\$NonceAndIV",
+        )
         Security.addProvider(clazz.getConstructor().newInstance() as Provider)
     }
 }
diff --git a/bouncy-castle/src/main/resources/META-INF/native-image/native-image.properties b/bouncy-castle/src/main/resources/META-INF/native-image/native-image.properties
index 20c8679..fe50d31 100644
--- a/bouncy-castle/src/main/resources/META-INF/native-image/native-image.properties
+++ b/bouncy-castle/src/main/resources/META-INF/native-image/native-image.properties
@@ -1,3 +1 @@
-Args = --features=de.cmdjulian.graal.bouncycastle.BouncyCastleFeature \
---initialize-at-build-time=org.bouncycastle \
---initialize-at-run-time=org.bouncycastle.jcajce.provider.drbg.DRBG$Default,org.bouncycastle.jcajce.provider.drbg.DRBG$NonceAndIV
+Args = --features=de.cmdjulian.graal.bouncycastle.BouncyCastleFeature