diff --git a/config.m4 b/config.m4
index c65e3a8..2a257c3 100644
--- a/config.m4
+++ b/config.m4
@@ -16,7 +16,7 @@ if test "$PHP_AWSCRT" != "no"; then
         platform_tls_libs="-ls2n -lcrypto"
     fi
     CRT_LIBPATHS="-L${cwd}/build/install/lib -L${cwd}/build/install/lib64"
-    CRT_LIBS="-laws-crt-ffi -laws-c-auth -laws-c-http -laws-c-io -laws-c-cal -laws-c-compression -laws-checksums -laws-c-common ${platform_tls_libs}"
+    CRT_LIBS="-laws-crt-ffi -laws-c-auth -laws-c-http -laws-c-io -laws-c-cal -laws-c-compression -laws-checksums -laws-c-sdkutils -laws-c-common ${platform_tls_libs}"
     PHP_ADD_INCLUDE(${cwd}/build/install/include)
     PHP_EVAL_LIBLINE([$CRT_LIBPATHS $CRT_LIBS], AWSCRT_SHARED_LIBADD)
 
diff --git a/config.w32 b/config.w32
index d9b89e0..1ed1d36 100644
--- a/config.w32
+++ b/config.w32
@@ -6,7 +6,7 @@ if (PHP_AWSCRT != "no") {
     ADD_MAKEFILE_FRAGMENT();
     DEFINE('CFLAGS_AWSCRT', '/I ' + configure_module_dirname + '\\build\\install\\include');
     DEFINE('LIBS_AWSCRT', '/LIBPATH:' + configure_module_dirname + '\\build\\install\\lib ' +
-        'aws-crt-ffi.lib aws-c-auth.lib aws-c-http.lib aws-c-io.lib aws-c-cal.lib aws-c-compression.lib aws-checksums.lib aws-c-common.lib ' +
+        'aws-crt-ffi.lib aws-c-auth.lib aws-c-http.lib aws-c-io.lib aws-c-cal.lib aws-c-compression.lib aws-checksums.lib aws-c-sdkutils.lib aws-c-common.lib ' +
         'ncrypt.lib Secur32.lib Crypt32.lib Shlwapi.lib');
     DEFINE('AWSCRT_DIR', configure_module_dirname);
     EXTENSION("awscrt", "ext\\awscrt.c", PHP_AWSCRT_SHARED);
diff --git a/crt/aws-crt-ffi b/crt/aws-crt-ffi
index 12db522..a76a837 160000
--- a/crt/aws-crt-ffi
+++ b/crt/aws-crt-ffi
@@ -1 +1 @@
-Subproject commit 12db522f2ab106ff70b627db3acc2de379358eb2
+Subproject commit a76a837a8d30d18abc9a04b78c785e93f106d9c6
diff --git a/src/AWS/CRT/IO/InputStream.php b/src/AWS/CRT/IO/InputStream.php
index ae5fd46..6aef709 100644
--- a/src/AWS/CRT/IO/InputStream.php
+++ b/src/AWS/CRT/IO/InputStream.php
@@ -14,6 +14,7 @@ final class InputStream extends NativeResource {
     const SEEK_END = 2;
 
     public function __construct($stream) {
+        parent::__construct();
         $this->stream = $stream;
         $options = self::$crt->input_stream_options_new();
         // The stream implementation in native just converts the PHP stream into
@@ -24,7 +25,7 @@ final class InputStream extends NativeResource {
     }
 
     public function __destruct() {
-        self::$crt->input_stream_release($this->release());
+        $this->release();
         parent::__destruct();
     }