diff --git a/iwyu_version.h b/iwyu_version.h
index 143f12b..1387ee2 100644
--- a/iwyu_version.h
+++ b/iwyu_version.h
@@ -10,6 +10,6 @@
 #ifndef INCLUDE_WHAT_YOU_USE_IWYU_VERSION_H_
 #define INCLUDE_WHAT_YOU_USE_IWYU_VERSION_H_
 
-#define IWYU_VERSION_STRING "0.19"
+#define IWYU_VERSION_STRING "0.20"
 
 #endif  // INCLUDE_WHAT_YOU_USE_IWYU_VERSION_H_