diff --git a/build.properties b/build.properties
index 840ff26e..24b82518 100644
--- a/build.properties
+++ b/build.properties
@@ -1,4 +1,4 @@
-mod_version=1.7.2
+mod_version=1.7.3
 minecraft_version=1.12.2
 forge_version=14.23.5.2768
 mcp_mappings_version=snapshot_20180814
diff --git a/resources/changelog/1.12.2-1.7.3.txt b/resources/changelog/1.12.2-1.7.3.txt
new file mode 100644
index 00000000..0dd30d4b
--- /dev/null
+++ b/resources/changelog/1.12.2-1.7.3.txt
@@ -0,0 +1,7 @@
+As always, don't forget to backup your world before updating!
+Requires CyclopsCore version 1.3.0 or higher.
+
+Fixes:
+* Block spectators from opening Colossal Chests
+  Otherwise, players could crash.
+  Closes #105