diff --git a/skeletons/asn_internal.h b/skeletons/asn_internal.h
index 249d7ef6..98669622 100644
--- a/skeletons/asn_internal.h
+++ b/skeletons/asn_internal.h
@@ -20,7 +20,7 @@ extern "C" {
 #endif
 
 /* Environment version might be used to avoid running with the old library */
-#define	ASN1C_ENVIRONMENT_VERSION	922	/* Compile-time version */
+#define	ASN1C_ENVIRONMENT_VERSION	923	/* Compile-time version */
 int get_asn1c_environment_version(void);	/* Run-time version */
 
 #define	CALLOC(nmemb, size)	calloc(nmemb, size)