diff --git a/libguile/loader.h b/libguile/loader.h
index 7c474bc85..28452a1c7 100644
--- a/libguile/loader.h
+++ b/libguile/loader.h
@@ -40,7 +40,7 @@
 /* Major and minor versions must be single characters. */
 #define SCM_OBJCODE_MAJOR_VERSION 4
 #define SCM_OBJCODE_MINIMUM_MINOR_VERSION 2
-#define SCM_OBJCODE_MINOR_VERSION 5
+#define SCM_OBJCODE_MINOR_VERSION 6
 #define SCM_OBJCODE_MAJOR_VERSION_STRING        \
   SCM_CPP_STRINGIFY(SCM_OBJCODE_MAJOR_VERSION)
 #define SCM_OBJCODE_MINOR_VERSION_STRING        \
diff --git a/module/system/vm/assembler.scm b/module/system/vm/assembler.scm
index ad34a549d..d4c9de86d 100644
--- a/module/system/vm/assembler.scm
+++ b/module/system/vm/assembler.scm
@@ -2284,7 +2284,7 @@ needed."
 
 ;; FIXME: Define these somewhere central, shared with C.
 (define *bytecode-major-version* #x0300)
-(define *bytecode-minor-version* 5)
+(define *bytecode-minor-version* 6)
 
 (define (link-dynamic-section asm text rw rw-init frame-maps)
   "Link the dynamic section for an ELF image with bytecode @var{text},