diff --git a/release_docs/INSTALL_CMake.txt b/release_docs/INSTALL_CMake.txt
index 83302df69f8..4a215d3c68f 100644
--- a/release_docs/INSTALL_CMake.txt
+++ b/release_docs/INSTALL_CMake.txt
@@ -70,7 +70,7 @@ External compression plugin libraries from https://github.com/HDFGroup/hdf5_plug
     hdf5_plugins.tar.gz
 
 External compression szip and zlib libraries:
-    ZLIB          "https://github.com/madler/zlib/releases/download/v1.2.13/zlib-1.3.tar.gz"
+    ZLIB          "https://github.com/madler/zlib/releases/download/v1.3/zlib-1.3.tar.gz"
     LIBAEC        "https://github.com/MathisRosenhauer/libaec/releases/download/v1.0.6/libaec-1.0.6.tar.gz"
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