diff --git a/deps/zlib/google/zip_reader_unittest.cc b/deps/zlib/google/zip_reader_unittest.cc
index 6086c97c49b622..8ef0274e112483 100644
--- a/deps/zlib/google/zip_reader_unittest.cc
+++ b/deps/zlib/google/zip_reader_unittest.cc
@@ -157,7 +157,7 @@ class ZipReaderTest : public PlatformTest {
 
   static base::FilePath GetTestDataDirectory() {
     base::FilePath path;
-    CHECK(base::PathService::Get(base::DIR_SOURCE_ROOT, &path));
+    CHECK(base::PathService::Get(base::DIR_SRC_TEST_DATA_ROOT, &path));
     return path.AppendASCII("third_party")
         .AppendASCII("zlib")
         .AppendASCII("google")
diff --git a/deps/zlib/google/zip_unittest.cc b/deps/zlib/google/zip_unittest.cc
index d0fc02fd939a15..922d38303ce845 100644
--- a/deps/zlib/google/zip_unittest.cc
+++ b/deps/zlib/google/zip_unittest.cc
@@ -206,7 +206,7 @@ class VirtualFileSystem : public zip::FileAccessor {
 
     info->is_directory = !files_.count(path);
     info->last_modified =
-        base::Time::FromDoubleT(172097977);  // Some random date.
+        base::Time::FromSecondsSinceUnixEpoch(172097977);  // Some random date.
 
     return true;
   }
@@ -256,7 +256,7 @@ class ZipTest : public PlatformTest {
 
   static base::FilePath GetDataDirectory() {
     base::FilePath path;
-    bool success = base::PathService::Get(base::DIR_SOURCE_ROOT, &path);
+    bool success = base::PathService::Get(base::DIR_SRC_TEST_DATA_ROOT, &path);
     EXPECT_TRUE(success);
     return std::move(path)
         .AppendASCII("third_party")
diff --git a/doc/contributing/maintaining/maintaining-dependencies.md b/doc/contributing/maintaining/maintaining-dependencies.md
index 50cb7b2ceaeafa..176fe72be4c617 100644
--- a/doc/contributing/maintaining/maintaining-dependencies.md
+++ b/doc/contributing/maintaining/maintaining-dependencies.md
@@ -31,7 +31,7 @@ This a list of all the dependencies:
 * [undici 5.27.0][]
 * [uvwasi 0.0.19][]
 * [V8 11.3.244.8][]
-* [zlib 1.2.13.1-motley-fef5869][]
+* [zlib 1.2.13.1-motley-dfc48fc][]
 
 Any code which meets one or more of these conditions should
 be managed as a dependency:
@@ -311,7 +311,7 @@ See [maintaining-web-assembly][] for more informations.
 high-performance JavaScript and WebAssembly engine, written in C++.
 See [maintaining-V8][] for more informations.
 
-### zlib 1.2.13.1-motley-fef5869
+### zlib 1.2.13.1-motley-dfc48fc
 
 The [zlib](https://chromium.googlesource.com/chromium/src/+/refs/heads/main/third_party/zlib)
 dependency lossless data-compression library,
@@ -349,4 +349,4 @@ performance improvements not currently available in standard zlib.
 [update-openssl-action]: ../../../.github/workflows/update-openssl.yml
 [uvwasi 0.0.19]: #uvwasi-0019
 [v8 11.3.244.8]: #v8-1132448
-[zlib 1.2.13.1-motley-fef5869]: #zlib-12131-motley-fef5869
+[zlib 1.2.13.1-motley-dfc48fc]: #zlib-12131-motley-dfc48fc
diff --git a/src/zlib_version.h b/src/zlib_version.h
index 77c4f92c5de0ef..02390a4afd0ec5 100644
--- a/src/zlib_version.h
+++ b/src/zlib_version.h
@@ -2,5 +2,5 @@
 // Refer to tools/dep_updaters/update-zlib.sh
 #ifndef SRC_ZLIB_VERSION_H_
 #define SRC_ZLIB_VERSION_H_
-#define ZLIB_VERSION "1.2.13.1-motley-fef5869"
+#define ZLIB_VERSION "1.2.13.1-motley-dfc48fc"
 #endif  // SRC_ZLIB_VERSION_H_