diff --git a/cinelerra-5.1/configure.ac b/cinelerra-5.1/configure.ac
index d529a801..ceddac2a 100644
--- a/cinelerra-5.1/configure.ac
+++ b/cinelerra-5.1/configure.ac
@@ -281,7 +281,7 @@ PKG_3RD([opus],[auto],
   [ include ])
 
 PKG_3RD([openjpeg],[auto],
-  [openjpeg-2.3.1],
+  [openjpeg-2.4.0],
   [ bin/libopenjp2.a ],
   [ src/lib/openjp2 ])