diff --git a/pkgs/base/info.rkt b/pkgs/base/info.rkt
index a9683d5039..344b621809 100644
--- a/pkgs/base/info.rkt
+++ b/pkgs/base/info.rkt
@@ -14,7 +14,7 @@
 
 ;; In the Racket source repo, this version should change only when
 ;; "racket_version.h" changes:
-(define version "7.9.0.19")
+(define version "7.9.0.20")
 
 (define deps `("racket-lib"
                ["racket" #:version ,version]))
diff --git a/racket/src/version/racket_version.h b/racket/src/version/racket_version.h
index f7665a088e..e38dec453c 100644
--- a/racket/src/version/racket_version.h
+++ b/racket/src/version/racket_version.h
@@ -16,7 +16,7 @@
 #define MZSCHEME_VERSION_X 7
 #define MZSCHEME_VERSION_Y 9
 #define MZSCHEME_VERSION_Z 0
-#define MZSCHEME_VERSION_W 19
+#define MZSCHEME_VERSION_W 20
 
 /* A level of indirection makes `#` work as needed: */
 #define AS_a_STR_HELPER(x) #x