diff --git a/WORKSPACE b/WORKSPACE
index 9c51f62fd6..294ed2a223 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -102,18 +102,16 @@ http_archive(
 http_archive(
     name = "zlib",
     build_file = "@//third_party:zlib.BUILD",
-    sha256 = "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1",
-    strip_prefix = "zlib-1.2.11",
-    urls = [
-        "http://mirror.bazel.build/zlib.net/fossils/zlib-1.2.11.tar.gz",
-        "http://zlib.net/fossils/zlib-1.2.11.tar.gz",  # 2017-01-15
-    ],
-    patches = [
-        "@//third_party:zlib.diff",
-    ],
-    patch_args = [
-        "-p1",
-    ],
+    # Removed patch for 1.2.11-13 version Does not apply in 1.3.1 - IOS specific changes for mediapipe
+    #patch_args = [
+    #    "-p1",
+    #],
+    #patches = [
+    #    "@//third_party:zlib.diff",
+    #],
+    sha256 = "9a93b2b7dfdac77ceba5a558a580e74667dd6fede4585b91eefb60f03b72df23",
+    strip_prefix = "zlib-1.3.1",
+    url = "http://zlib.net/fossils/zlib-1.3.1.tar.gz",
 )
 
 # iOS basic build deps.