diff --git a/Makefile b/Makefile
index 129b988a9..780ee62e3 100644
--- a/Makefile
+++ b/Makefile
@@ -169,7 +169,7 @@ endif
 VERSIONFILES=hledger.cabal Version.hs
 
 hledger.cabal: $(VERSIONFILE)
-	perl -p -e "s/(^Version: *) .*/\1 $(VERSION)/" -i $@
+	perl -p -e "s/(^version: *) .*/\1 $(VERSION)/" -i $@
 
 Version.hs: $(VERSIONFILE)
 	perl -p -e "s/(^version *= *)\".*?\"/\1\"$(VERSION3)\"/" -i $@