diff --git a/android-project/app/src/main/AndroidManifest.xml b/android-project/app/src/main/AndroidManifest.xml
index df9f3e6f19d77..05ce70d156694 100644
--- a/android-project/app/src/main/AndroidManifest.xml
+++ b/android-project/app/src/main/AndroidManifest.xml
@@ -4,8 +4,8 @@
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
       package="org.mamedev.mame"
-      android:versionCode="265"
-      android:versionName="0.265"
+      android:versionCode="266"
+      android:versionName="0.266"
       android:installLocation="auto">
 
     <!-- OpenGL ES 2.0 -->
diff --git a/makefile b/makefile
index 33ad3e60339b5..e15b8e42fe92c 100644
--- a/makefile
+++ b/makefile
@@ -1578,7 +1578,7 @@ endif
 
 ifeq (posix,$(SHELLTYPE))
 $(GENDIR)/version.cpp: makefile $(GENDIR)/git_desc | $(GEN_FOLDERS)
-	@echo '#define BARE_BUILD_VERSION "0.265"' > $@
+	@echo '#define BARE_BUILD_VERSION "0.266"' > $@
 	@echo '#define BARE_VCS_REVISION "$(NEW_GIT_VERSION)"' >> $@
 	@echo 'extern const char bare_build_version[];' >> $@
 	@echo 'extern const char bare_vcs_revision[];' >> $@
@@ -1588,7 +1588,7 @@ $(GENDIR)/version.cpp: makefile $(GENDIR)/git_desc | $(GEN_FOLDERS)
 	@echo 'const char build_version[] = BARE_BUILD_VERSION " (" BARE_VCS_REVISION ")";' >> $@
 else
 $(GENDIR)/version.cpp: makefile $(GENDIR)/git_desc | $(GEN_FOLDERS)
-	@echo #define BARE_BUILD_VERSION "0.265" > $@
+	@echo #define BARE_BUILD_VERSION "0.266" > $@
 	@echo #define BARE_VCS_REVISION "$(NEW_GIT_VERSION)" >> $@
 	@echo extern const char bare_build_version[]; >> $@
 	@echo extern const char bare_vcs_revision[]; >> $@