diff --git a/third_party/zlib/CMakeLists.txt b/third_party/zlib/CMakeLists.txt
index 7cca827..adeed44 100644
--- a/third_party/zlib/CMakeLists.txt
+++ b/third_party/zlib/CMakeLists.txt
@@ -1,8 +1,11 @@
+# Do not build examples.
+set(ZLIB_BUILD_EXAMPLES OFF)
+
 include(FetchContent)
 
 FetchContent_Declare(zlib
     GIT_REPOSITORY "https://github.com/madler/zlib"
-    GIT_TAG "v1.3"
+    GIT_TAG "v1.3.1"
 )
 
 FetchContent_GetProperties(zlib)