diff --git a/pkgs/development/libraries/java/jakarta-regexp/java-bin-builder.sh b/pkgs/development/libraries/java/jakarta-regexp/java-bin-builder.sh
index be2c3577801..c26173ab457 100755
--- a/pkgs/development/libraries/java/jakarta-regexp/java-bin-builder.sh
+++ b/pkgs/development/libraries/java/jakarta-regexp/java-bin-builder.sh
@@ -1,6 +1,6 @@
 source $stdenv/setup
 
 tar zxvf $src
-cd jakarta-regexp-1.3
+cd jakarta-regexp-1.4
 mkdir -p $out/share/java/
-cp jakarta-regexp-1.3.jar $out/share/java/
+cp jakarta-regexp-1.4.jar $out/share/java/