diff --git a/package-lock.json b/package-lock.json
index c7a639b4..5094358b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,9 @@
     "@aws-crypto/random-source-browser": {
       "version": "file:packages/random-source-browser",
       "requires": {
-        "@aws-sdk/util-locate-window": "^1.0.0-alpha.3",
+        "@aws-crypto/ie11-detection": "file:packages/ie11-detection",
+        "@aws-crypto/supports-web-crypto": "file:packages/supports-web-crypto",
+        "@aws-sdk/util-locate-window": "^1.0.0-gamma.1",
         "tslib": "^1.11.1"
       },
       "dependencies": {
@@ -36,7 +38,7 @@
     "@aws-crypto/random-source-node": {
       "version": "file:packages/random-source-node",
       "requires": {
-        "@aws-sdk/types": "^1.0.0-alpha.6",
+        "@aws-sdk/types": "^1.0.0-gamma.1",
         "tslib": "^1.11.1"
       },
       "dependencies": {
@@ -50,7 +52,9 @@
     "@aws-crypto/random-source-universal": {
       "version": "file:packages/random-source-universal",
       "requires": {
-        "@aws-sdk/types": "^1.0.0-alpha.6",
+        "@aws-crypto/random-source-browser": "file:packages/random-source-browser",
+        "@aws-crypto/random-source-node": "file:packages/random-source-node",
+        "@aws-sdk/types": "^1.0.0-gamma.1",
         "tslib": "^1.11.1"
       },
       "dependencies": {
@@ -64,9 +68,12 @@
     "@aws-crypto/sha256-browser": {
       "version": "file:packages/sha256-browser",
       "requires": {
-        "@aws-sdk/types": "^1.0.0-alpha.6",
-        "@aws-sdk/util-locate-window": "^1.0.0-alpha.3",
-        "@aws-sdk/util-utf8-browser": "^1.0.0-alpha.3",
+        "@aws-crypto/ie11-detection": "file:packages/ie11-detection",
+        "@aws-crypto/sha256-js": "file:packages/sha256-js",
+        "@aws-crypto/supports-web-crypto": "file:packages/supports-web-crypto",
+        "@aws-sdk/types": "^1.0.0-gamma.1",
+        "@aws-sdk/util-locate-window": "^1.0.0-gamma.1",
+        "@aws-sdk/util-utf8-browser": "^1.0.0-gamma.1",
         "tslib": "^1.11.1"
       },
       "dependencies": {
@@ -96,8 +103,8 @@
     "@aws-crypto/sha256-js": {
       "version": "file:packages/sha256-js",
       "requires": {
-        "@aws-sdk/types": "^1.0.0-alpha.6",
-        "@aws-sdk/util-utf8-browser": "^1.0.0-alpha.3",
+        "@aws-sdk/types": "^1.0.0-gamma.1",
+        "@aws-sdk/util-utf8-browser": "^1.0.0-gamma.1",
         "tslib": "^1.11.1"
       },
       "dependencies": {
@@ -119,8 +126,9 @@
     "@aws-crypto/sha256-universal": {
       "version": "file:packages/sha256-universal",
       "requires": {
-        "@aws-sdk/hash-node": "^1.0.0-alpha.6",
-        "@aws-sdk/types": "^1.0.0-alpha.6",
+        "@aws-crypto/sha256-browser": "file:packages/sha256-browser",
+        "@aws-sdk/hash-node": "^1.0.0-gamma.1",
+        "@aws-sdk/types": "^1.0.0-gamma.1",
         "tslib": "^1.11.1"
       },
       "dependencies": {
@@ -148,73 +156,40 @@
       }
     },
     "@aws-sdk/is-array-buffer": {
-      "version": "1.0.0-beta.2",
-      "resolved": "https://registry.npmjs.org/@aws-sdk/is-array-buffer/-/is-array-buffer-1.0.0-beta.2.tgz",
-      "integrity": "sha512-wIxfDCwhNmN5fZ+mUCIVcGP1s6GqXTfJAbPttfuxQW3oItQMZn2PPGiVuIS3F7CPij+/pQGwuw6T3mMJGnivGw==",
-      "requires": {
-        "tslib": "^1.8.0"
-      }
-    },
-    "@aws-sdk/is-node": {
-      "version": "1.0.0-beta.2",
-      "resolved": "https://registry.npmjs.org/@aws-sdk/is-node/-/is-node-1.0.0-beta.2.tgz",
-      "integrity": "sha512-nU50cBOirjUf72yNhu2SXIa7Ln82YcQLc6MxNcvIp5iTwHMHpkWRn5ilF+W1rt1D/V7r87/niEv9XumZhneJ5A==",
-      "dev": true,
+      "version": "1.0.0-gamma.1",
+      "resolved": "https://registry.npmjs.org/@aws-sdk/is-array-buffer/-/is-array-buffer-1.0.0-gamma.1.tgz",
+      "integrity": "sha512-Oj9mpM19H/3mPDECIHS2K4sZYyfMPBsL+8VkCnwU2/+AJABoxgbf5VjXdXmWZUBh7+8Roa0th2aGXb0WG/QUBg==",
       "requires": {
         "tslib": "^1.8.0"
       }
     },
     "@aws-sdk/util-buffer-from": {
-      "version": "1.0.0-beta.2",
-      "resolved": "https://registry.npmjs.org/@aws-sdk/util-buffer-from/-/util-buffer-from-1.0.0-beta.2.tgz",
-      "integrity": "sha512-Mowx4haev/uVCoBYSRpZMtkSqrPP54CrldhFFQsKgbnf1bqRGHBZZZiCoS/8s4twb90G1x6FsUbMzLWXCBuTUA==",
+      "version": "1.0.0-gamma.1",
+      "resolved": "https://registry.npmjs.org/@aws-sdk/util-buffer-from/-/util-buffer-from-1.0.0-gamma.1.tgz",
+      "integrity": "sha512-Aae/ots79VI0x3HqioK+Podvh/HOAAKC3zHeDvLc1t3WOEwWlWbCalSp9Yi9bXOK2WZgYvHHaAbnCMdbYmxemQ==",
       "requires": {
-        "@aws-sdk/is-array-buffer": "^1.0.0-beta.2",
+        "@aws-sdk/is-array-buffer": "1.0.0-gamma.1",
         "tslib": "^1.8.0"
       }
     },
     "@aws-sdk/util-hex-encoding": {
-      "version": "1.0.0-beta.2",
-      "resolved": "https://registry.npmjs.org/@aws-sdk/util-hex-encoding/-/util-hex-encoding-1.0.0-beta.2.tgz",
-      "integrity": "sha512-QTCsXd7KMl9yRBYCRa6hcT5tne2CcUNUmxWqwm/Tn1fKsvIryIt70/pCsDgHVvacyGtml/KicjxmY7zuX9hbGA==",
+      "version": "1.0.0-gamma.1",
+      "resolved": "https://registry.npmjs.org/@aws-sdk/util-hex-encoding/-/util-hex-encoding-1.0.0-gamma.1.tgz",
+      "integrity": "sha512-SGOaAgjR3iaPB4obob/gqXPjgmxEN6X3zxWrfFk4jG+pdheKBAniw7ckITdBEG04Gkqh91stIORLIgxR8gxjIg==",
       "dev": true,
       "requires": {
         "tslib": "^1.8.0"
       }
     },
-    "@aws-sdk/util-utf8-node": {
-      "version": "1.0.0-beta.2",
-      "resolved": "https://registry.npmjs.org/@aws-sdk/util-utf8-node/-/util-utf8-node-1.0.0-beta.2.tgz",
-      "integrity": "sha512-lrQi1kMauHPSU7E7XLvF9Qim5HyDkh6ey0YsGbcx6SMitQzYxyqKk3Y5xsziYIUKdJvvYtoJTbA3Gcg2uQivag==",
+    "@aws-sdk/util-utf8-browser": {
+      "version": "1.0.0-gamma.1",
+      "resolved": "https://registry.npmjs.org/@aws-sdk/util-utf8-browser/-/util-utf8-browser-1.0.0-gamma.1.tgz",
+      "integrity": "sha512-UgHEkgvFvupHR2A4pPofdRflGfZEOPboG7LlUVlH6rcuIJdgi7gTzz4codxOe+kf1PVwHuHR6Pf+t22W6K/WWA==",
       "dev": true,
       "requires": {
-        "@aws-sdk/util-buffer-from": "^1.0.0-beta.2",
         "tslib": "^1.8.0"
       }
     },
-    "@aws-sdk/util-utf8-universal": {
-      "version": "1.0.0-beta.2",
-      "resolved": "https://registry.npmjs.org/@aws-sdk/util-utf8-universal/-/util-utf8-universal-1.0.0-beta.2.tgz",
-      "integrity": "sha512-bWA10kG/yhp/lDMSuQeDYw/9bAnUSYzU3KTkrP2WGQlHBmePQ547KTzmnmOw/Rf3wsPDavO/V8pH52FPUqKaSA==",
-      "dev": true,
-      "requires": {
-        "@aws-sdk/is-node": "^1.0.0-beta.2",
-        "@aws-sdk/util-utf8-browser": "^1.0.0-beta.2",
-        "@aws-sdk/util-utf8-node": "^1.0.0-beta.2",
-        "tslib": "^1.8.0"
-      },
-      "dependencies": {
-        "@aws-sdk/util-utf8-browser": {
-          "version": "1.0.0-beta.2",
-          "resolved": "https://registry.npmjs.org/@aws-sdk/util-utf8-browser/-/util-utf8-browser-1.0.0-beta.2.tgz",
-          "integrity": "sha512-71qy8bV0L/wFUDdIyOp7T6iMvHV7T2fldlAlfYinun3uigWcQcTgoo6cqsCuoPlDaDsWGLDpnyCzWASEr2aI0A==",
-          "dev": true,
-          "requires": {
-            "tslib": "^1.8.0"
-          }
-        }
-      }
-    },
     "@babel/code-frame": {
       "version": "7.8.3",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.8.3.tgz",
diff --git a/package.json b/package.json
index 8e04bd5e..aca1d0b8 100644
--- a/package.json
+++ b/package.json
@@ -35,9 +35,9 @@
     "packages/*"
   ],
   "devDependencies": {
-    "@aws-sdk/util-buffer-from": "^1.0.0-beta.2",
-    "@aws-sdk/util-hex-encoding": "^1.0.0-beta.2",
-    "@aws-sdk/util-utf8-universal": "^1.0.0-beta.2",
+    "@aws-sdk/util-buffer-from": "^1.0.0-gamma.1",
+    "@aws-sdk/util-hex-encoding": "^1.0.0-gamma.1",
+    "@aws-sdk/util-utf8-browser": "^1.0.0-gamma.1",
     "@types/chai": "^4.2.11",
     "@types/mocha": "^7.0.2",
     "@types/node": "^14.0.1",
diff --git a/packages/crc32/test/index.test.ts b/packages/crc32/test/index.test.ts
index f519b000..17905b46 100644
--- a/packages/crc32/test/index.test.ts
+++ b/packages/crc32/test/index.test.ts
@@ -1,7 +1,7 @@
 import { expect } from "chai";
 import "mocha";
 import { Crc32 } from "../src/index";
-import { fromUtf8 } from "@aws-sdk/util-utf8-universal";
+import { fromUtf8 } from "@aws-sdk/util-utf8-browser";
 
 type TestVector = [Uint8Array, number];
 
diff --git a/packages/random-source-browser/package.json b/packages/random-source-browser/package.json
index 6e2f8718..9f9b84bc 100644
--- a/packages/random-source-browser/package.json
+++ b/packages/random-source-browser/package.json
@@ -19,7 +19,7 @@
   "dependencies": {
     "@aws-crypto/ie11-detection": "file:../ie11-detection",
     "@aws-crypto/supports-web-crypto": "file:../supports-web-crypto",
-    "@aws-sdk/util-locate-window": "^1.0.0-alpha.3",
+    "@aws-sdk/util-locate-window": "^1.0.0-gamma.1",
     "tslib": "^1.11.1"
   },
   "main": "./build/index.js",
diff --git a/packages/random-source-node/package.json b/packages/random-source-node/package.json
index c3115c6e..497ffb3a 100644
--- a/packages/random-source-node/package.json
+++ b/packages/random-source-node/package.json
@@ -18,7 +18,7 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "@aws-sdk/types": "^1.0.0-alpha.6",
+    "@aws-sdk/types": "^1.0.0-gamma.1",
     "tslib": "^1.11.1"
   },
   "types": "./build/index.d.ts"
diff --git a/packages/random-source-universal/package.json b/packages/random-source-universal/package.json
index b7526c61..7163d8a5 100644
--- a/packages/random-source-universal/package.json
+++ b/packages/random-source-universal/package.json
@@ -19,7 +19,7 @@
   "dependencies": {
     "@aws-crypto/random-source-browser": "file:../random-source-browser",
     "@aws-crypto/random-source-node": "file:../random-source-node",
-    "@aws-sdk/types": "^1.0.0-alpha.6",
+    "@aws-sdk/types": "^1.0.0-gamma.1",
     "tslib": "^1.11.1"
   },
   "browser": {
diff --git a/packages/sha256-browser/package.json b/packages/sha256-browser/package.json
index 5671a601..fb229fad 100644
--- a/packages/sha256-browser/package.json
+++ b/packages/sha256-browser/package.json
@@ -20,9 +20,9 @@
     "@aws-crypto/ie11-detection": "file:../ie11-detection",
     "@aws-crypto/sha256-js": "file:../sha256-js",
     "@aws-crypto/supports-web-crypto": "file:../supports-web-crypto",
-    "@aws-sdk/types": "^1.0.0-alpha.6",
-    "@aws-sdk/util-locate-window": "^1.0.0-alpha.3",
-    "@aws-sdk/util-utf8-browser": "^1.0.0-alpha.3",
+    "@aws-sdk/types": "^1.0.0-gamma.1",
+    "@aws-sdk/util-locate-window": "^1.0.0-gamma.1",
+    "@aws-sdk/util-utf8-browser": "^1.0.0-gamma.1",
     "tslib": "^1.11.1"
   },
   "main": "./build/index.js",
diff --git a/packages/sha256-js/package.json b/packages/sha256-js/package.json
index a6360baf..2133b5ee 100644
--- a/packages/sha256-js/package.json
+++ b/packages/sha256-js/package.json
@@ -19,8 +19,8 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "@aws-sdk/types": "^1.0.0-alpha.6",
-    "@aws-sdk/util-utf8-browser": "^1.0.0-alpha.3",
+    "@aws-sdk/types": "^1.0.0-gamma.1",
+    "@aws-sdk/util-utf8-browser": "^1.0.0-gamma.1",
     "tslib": "^1.11.1"
   }
 }
diff --git a/packages/sha256-universal/package.json b/packages/sha256-universal/package.json
index 47340b7c..b50990e6 100644
--- a/packages/sha256-universal/package.json
+++ b/packages/sha256-universal/package.json
@@ -18,8 +18,8 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@aws-crypto/sha256-browser": "file:../sha256-browser",
-    "@aws-sdk/hash-node": "^1.0.0-alpha.6",
-    "@aws-sdk/types": "^1.0.0-alpha.6",
+    "@aws-sdk/hash-node": "^1.0.0-gamma.1",
+    "@aws-sdk/types": "^1.0.0-gamma.1",
     "tslib": "^1.11.1"
   },
   "main": "./build/index.js",