diff --git a/dlls/appwiz.cpl/addons.c b/dlls/appwiz.cpl/addons.c
index 143931b3733..ed9ae3a4d2e 100644
--- a/dlls/appwiz.cpl/addons.c
+++ b/dlls/appwiz.cpl/addons.c
@@ -65,8 +65,8 @@ WINE_DEFAULT_DEBUG_CHANNEL(appwizcpl);
 #define GECKO_SHA "???"
 #endif
 
-#define MONO_VERSION "4.8.1"
-#define MONO_SHA "4e073038c14c2496246ecb044ef8abfb8a1cfede58aa35168e04d484a003b032"
+#define MONO_VERSION "4.8.3"
+#define MONO_SHA "d6fa1f019bfa3c572438e4a2473ce25af1e937ed4cdcbe46554164ce25db0a76"
 
 typedef struct {
     const char *version;
diff --git a/dlls/mscoree/mscoree_private.h b/dlls/mscoree/mscoree_private.h
index 3a3631e708a..8311db7684e 100644
--- a/dlls/mscoree/mscoree_private.h
+++ b/dlls/mscoree/mscoree_private.h
@@ -45,7 +45,7 @@ extern HRESULT assembly_get_runtime_version(ASSEMBLY *assembly, LPSTR *version)
 extern HRESULT assembly_get_vtable_fixups(ASSEMBLY *assembly, VTableFixup **fixups, DWORD *count) DECLSPEC_HIDDEN;
 extern HRESULT assembly_get_native_entrypoint(ASSEMBLY *assembly, NativeEntryPointFunc *func) DECLSPEC_HIDDEN;
 
-#define WINE_MONO_VERSION "4.8.1"
+#define WINE_MONO_VERSION "4.8.3"
 
 /* Mono embedding */
 typedef struct _MonoDomain MonoDomain;