diff --git a/src/libnm-core-public/nm-version-macros.h.in b/src/libnm-core-public/nm-version-macros.h.in
index 07e7989957..0fc7a90fac 100644
--- a/src/libnm-core-public/nm-version-macros.h.in
+++ b/src/libnm-core-public/nm-version-macros.h.in
@@ -72,6 +72,7 @@
 #define NM_VERSION_1_36   (NM_ENCODE_VERSION (1, 36, 0))
 #define NM_VERSION_1_38   (NM_ENCODE_VERSION (1, 38, 0))
 #define NM_VERSION_1_40   (NM_ENCODE_VERSION (1, 40, 0))
+#define NM_VERSION_1_42   (NM_ENCODE_VERSION (1, 42, 0))
 
 /* For releases, NM_API_VERSION is equal to NM_VERSION.
  *
diff --git a/src/libnm-core-public/nm-version.h b/src/libnm-core-public/nm-version.h
index 9f6e3e78ee..0b2e6103a2 100644
--- a/src/libnm-core-public/nm-version.h
+++ b/src/libnm-core-public/nm-version.h
@@ -341,6 +341,20 @@
 #define NM_AVAILABLE_IN_1_40
 #endif
 
+#if NM_VERSION_MIN_REQUIRED >= NM_VERSION_1_42
+#define NM_DEPRECATED_IN_1_42        G_DEPRECATED
+#define NM_DEPRECATED_IN_1_42_FOR(f) G_DEPRECATED_FOR(f)
+#else
+#define NM_DEPRECATED_IN_1_42
+#define NM_DEPRECATED_IN_1_42_FOR(f)
+#endif
+
+#if NM_VERSION_MAX_ALLOWED < NM_VERSION_1_42
+#define NM_AVAILABLE_IN_1_42 G_UNAVAILABLE(1, 42)
+#else
+#define NM_AVAILABLE_IN_1_42
+#endif
+
 /*
  * Synchronous API for calling D-Bus in libnm is deprecated. See
  * https://networkmanager.dev/docs/libnm/latest/usage.html#sync-api