diff --git a/WORKSPACE b/WORKSPACE
index b5b90f39b..220361e64 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -4,15 +4,13 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 http_archive(
     name = "icu",
-    strip_prefix = "icu-release-64-2",
-    sha256 = "dfc62618aa4bd3ca14a3df548cd65fe393155edd213e49c39f3a30ccd618fc27",
+    strip_prefix = "icu-release-77-1",
+    integrity = "sha256-5CS6UoLZWtOLUmOaCPuCFk8LDL1/F7U64WvxT4VBhV8=",
     urls = [
-        "https://storage.googleapis.com/mirror.tensorflow.org/github.com/unicode-org/icu/archive/release-64-2.zip",
-        "https://github.com/unicode-org/icu/archive/release-64-2.zip",
+        "https://storage.googleapis.com/mirror.tensorflow.org/github.com/unicode-org/icu/archive/release-77-1.zip",
+        "https://github.com/unicode-org/icu/archive/release-77-1.zip",
     ],
     build_file = "//third_party/icu:BUILD.bzl",
-    patches = ["//third_party/icu:udata.patch"],
-    patch_args = ["-p1"],
 )
 
 http_archive(
diff --git a/third_party/icu/udata.patch b/third_party/icu/udata.patch
deleted file mode 100644
index eac684427..000000000
--- a/third_party/icu/udata.patch
+++ /dev/null
@@ -1,68 +0,0 @@
-diff --git a/icu4c/source/common/udata.cpp b/icu4c/source/common/udata.cpp
-index efcd2a2f97..80f275c415 100644
---- a/icu4c/source/common/udata.cpp
-+++ b/icu4c/source/common/udata.cpp
-@@ -18,11 +18,10 @@
- 
- #include "unicode/utypes.h"  /* U_PLATFORM etc. */
- 
--#ifdef __GNUC__
--/* if gcc
--#define ATTRIBUTE_WEAK __attribute__ ((weak))
--might have to #include some other header
--*/
-+#if defined(__GNUC__) || defined(__SUNPRO_CC)
-+#  define ATTRIBUTE_WEAK __attribute__ ((weak))
-+#else
-+#  define ATTRIBUTE_WEAK
- #endif
- 
- #include "unicode/putil.h"
-@@ -649,10 +648,11 @@ extern "C" const DataHeader U_DATA_API U_ICUDATA_ENTRY_POINT;
-  * partial-data-library access functions where each returns a pointer
-  * to its data package, if it is linked in.
-  */
--/*
--extern const void *uprv_getICUData_collation(void) ATTRIBUTE_WEAK;
--extern const void *uprv_getICUData_conversion(void) ATTRIBUTE_WEAK;
--*/
-+
-+U_CDECL_BEGIN
-+const void *uprv_getICUData_other(void) ATTRIBUTE_WEAK;
-+U_CDECL_END
-+
- 
- /*----------------------------------------------------------------------*
-  *                                                                      *
-@@ -709,11 +709,11 @@ openCommonData(const char *path,          /*  Path from OpenChoice?          */
-         /*
-         if (uprv_getICUData_collation) {
-             setCommonICUDataPointer(uprv_getICUData_collation(), FALSE, pErrorCode);
-+        }*/
-+        if (uprv_getICUData_other) {
-+            setCommonICUDataPointer(uprv_getICUData_other(), FALSE, pErrorCode);
-         }
--        if (uprv_getICUData_conversion) {
--            setCommonICUDataPointer(uprv_getICUData_conversion(), FALSE, pErrorCode);
--        }
--        */
-+
- #if U_PLATFORM_HAS_WINUWP_API == 0 // Windows UWP Platform does not support dll icu data at this time
-         setCommonICUDataPointer(&U_ICUDATA_ENTRY_POINT, FALSE, pErrorCode);
-         {
-diff --git a/icu4c/source/common/unicode/uconfig.h b/icu4c/source/common/unicode/uconfig.h
-index e61eb5795c..95c43f2334 100644
---- a/icu4c/source/common/unicode/uconfig.h
-+++ b/icu4c/source/common/unicode/uconfig.h
-@@ -55,6 +55,11 @@
- #include "uconfig_local.h"
- #endif
- 
-+// Tensorflow is statically linked on all platforms.
-+#ifndef U_STATIC_IMPLEMENTATION
-+#define U_STATIC_IMPLEMENTATION
-+#endif
-+
- /**
-  * \def U_DEBUG
-  * Determines whether to include debugging code.