diff --git a/docs/md/manual/releasenotes.md b/docs/md/manual/releasenotes.md
index d6f7e685..996f1a4e 100644
--- a/docs/md/manual/releasenotes.md
+++ b/docs/md/manual/releasenotes.md
@@ -1,3 +1,9 @@
+## Version 7.5.1
+
+### Bugfixes
+
+- Prevent unknown enum value for `KmVersionRequirementVersionKind` exception when processing code compiled with an outdated Kotlin version. 
+
 ## Version 7.5.0
 
 ### Kotlin support
diff --git a/gradle.properties b/gradle.properties
index 09a760d2..6c7105ae 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,7 +1,7 @@
 proguardVersion = 7.5.1
 
 # The version of ProGuardCORE that sub-projects are built with
-proguardCoreVersion = 9.1.4
+proguardCoreVersion = 9.1.5
 gsonVersion = 2.9.0
 kotlinVersion = 2.0.0
 target = 1.8