diff --git a/SUPPORT_POLICY.rst b/SUPPORT_POLICY.rst
index 39c96bc20..593fdc6af 100644
--- a/SUPPORT_POLICY.rst
+++ b/SUPPORT_POLICY.rst
@@ -26,10 +26,14 @@ This table describes the current support status of each major version of the AWS
       - 
       - 
     * - 2.x
-      - Maintenance
       - End of Support
-      - 2023-03-02
+      - 
+      - 
     * - 3.x
+      - Maintenance
+      - End of Support
+      - 2024-01-17
+    * - 4.x
       - General Availability
       - 
       - 
diff --git a/modules/raw-aes-keyring-browser/package.json b/modules/raw-aes-keyring-browser/package.json
index d85890bab..4aaba922e 100644
--- a/modules/raw-aes-keyring-browser/package.json
+++ b/modules/raw-aes-keyring-browser/package.json
@@ -19,7 +19,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@aws-crypto/material-management-browser": "file:../material-management-browser",
-    "@aws-crypto/random-source-browser": "1.0.0",
+    "@aws-crypto/random-source-browser": "5.0.0",
     "@aws-crypto/raw-keyring": "file:../raw-keyring",
     "@aws-crypto/serialize": "file:../serialize",
     "@aws-crypto/web-crypto-backend": "file:../web-crypto-backend",
diff --git a/modules/raw-rsa-keyring-browser/package.json b/modules/raw-rsa-keyring-browser/package.json
index 4afa4a937..1f76d3d3a 100644
--- a/modules/raw-rsa-keyring-browser/package.json
+++ b/modules/raw-rsa-keyring-browser/package.json
@@ -19,7 +19,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@aws-crypto/material-management-browser": "file:../material-management-browser",
-    "@aws-crypto/random-source-browser": "1.0.0",
+    "@aws-crypto/random-source-browser": "5.0.0",
     "@aws-crypto/raw-keyring": "file:../raw-keyring",
     "@aws-crypto/web-crypto-backend": "file:../web-crypto-backend",
     "@aws-sdk/util-base64-browser": "3.1.0",
diff --git a/modules/web-crypto-backend/package.json b/modules/web-crypto-backend/package.json
index 7a6ea54a1..4afe21d2d 100644
--- a/modules/web-crypto-backend/package.json
+++ b/modules/web-crypto-backend/package.json
@@ -20,7 +20,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@aws-crypto/ie11-detection": "1.0.0",
-    "@aws-crypto/supports-web-crypto": "1.0.0",
+    "@aws-crypto/supports-web-crypto": "5.0.0",
     "@aws-sdk/util-locate-window": "3.37.0",
     "tslib": "^2.2.0"
   },
diff --git a/package-lock.json b/package-lock.json
index c24516f52..f08eecf71 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -616,7 +616,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@aws-crypto/material-management-browser": "file:../material-management-browser",
-        "@aws-crypto/random-source-browser": "1.0.0",
+        "@aws-crypto/random-source-browser": "5.0.0",
         "@aws-crypto/raw-keyring": "file:../raw-keyring",
         "@aws-crypto/serialize": "file:../serialize",
         "@aws-crypto/web-crypto-backend": "file:../web-crypto-backend",
@@ -658,7 +658,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@aws-crypto/material-management-browser": "file:../material-management-browser",
-        "@aws-crypto/random-source-browser": "1.0.0",
+        "@aws-crypto/random-source-browser": "5.0.0",
         "@aws-crypto/raw-keyring": "file:../raw-keyring",
         "@aws-crypto/web-crypto-backend": "file:../web-crypto-backend",
         "@aws-sdk/util-base64-browser": "3.1.0",
@@ -707,7 +707,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@aws-crypto/ie11-detection": "1.0.0",
-        "@aws-crypto/supports-web-crypto": "1.0.0",
+        "@aws-crypto/supports-web-crypto": "5.0.0",
         "@aws-sdk/util-locate-window": "3.37.0",
         "tslib": "^2.2.0"
       }
@@ -726,9 +726,9 @@
       "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
     },
     "modules/web-crypto-backend/node_modules/@aws-crypto/supports-web-crypto": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@aws-crypto/supports-web-crypto/-/supports-web-crypto-1.0.0.tgz",
-      "integrity": "sha512-IHLfv+WmVH89EW4n6a5eE8/hUlz6qkWGMn/v4r5ZgzcXdTC5nolii2z3k46y01hWRiC2PPhOdeSLzMUCUMco7g==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@aws-crypto/supports-web-crypto/-/supports-web-crypto-5.0.0.tgz",
+      "integrity": "sha512-sUdCftb1fT4NIIj++wp6ZjQ7dKnTFiyTcC4AgsGjNAPbYPSXm3Zgr0qIAGwZ3F0/K4VTR276LwK+wa0xn/kL/g==",
       "dependencies": {
         "tslib": "^1.11.1"
       }
@@ -884,43 +884,23 @@
       "link": true
     },
     "node_modules/@aws-crypto/random-source-browser": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@aws-crypto/random-source-browser/-/random-source-browser-1.0.0.tgz",
-      "integrity": "sha512-5FeVUHcCfkREPBpmbYN0ZkRCfIyvOCCkXlqQPBq8NsN7B/R+4uj0zjAyCAvU4k59xPrmNUC5UQc7zACYypPbeg==",
-      "dependencies": {
-        "@aws-crypto/ie11-detection": "^1.0.0",
-        "@aws-crypto/supports-web-crypto": "^1.0.0",
-        "@aws-sdk/util-locate-window": "^1.0.0-rc.1",
-        "tslib": "^1.11.1"
-      }
-    },
-    "node_modules/@aws-crypto/random-source-browser/node_modules/@aws-crypto/ie11-detection": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@aws-crypto/ie11-detection/-/ie11-detection-1.0.0.tgz",
-      "integrity": "sha512-kCKVhCF1oDxFYgQrxXmIrS5oaWulkvRcPz+QBDMsUr2crbF4VGgGT6+uQhSwJFdUAQ2A//Vq+uT83eJrkzFgXA==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@aws-crypto/random-source-browser/-/random-source-browser-5.0.0.tgz",
+      "integrity": "sha512-HC8eqq7d3tyG4cHRYWGaWqFiGdn6inea6jeIUAiWFnTiIIIQur+9i6UmwMdUP7ZWqMqkDWKJwmi9+YAq2rvztw==",
       "dependencies": {
+        "@aws-crypto/supports-web-crypto": "^5.0.0",
+        "@aws-sdk/util-locate-window": "^3.0.0",
         "tslib": "^1.11.1"
       }
     },
     "node_modules/@aws-crypto/random-source-browser/node_modules/@aws-crypto/supports-web-crypto": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@aws-crypto/supports-web-crypto/-/supports-web-crypto-1.0.0.tgz",
-      "integrity": "sha512-IHLfv+WmVH89EW4n6a5eE8/hUlz6qkWGMn/v4r5ZgzcXdTC5nolii2z3k46y01hWRiC2PPhOdeSLzMUCUMco7g==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@aws-crypto/supports-web-crypto/-/supports-web-crypto-5.0.0.tgz",
+      "integrity": "sha512-sUdCftb1fT4NIIj++wp6ZjQ7dKnTFiyTcC4AgsGjNAPbYPSXm3Zgr0qIAGwZ3F0/K4VTR276LwK+wa0xn/kL/g==",
       "dependencies": {
         "tslib": "^1.11.1"
       }
     },
-    "node_modules/@aws-crypto/random-source-browser/node_modules/@aws-sdk/util-locate-window": {
-      "version": "1.0.0-rc.8",
-      "resolved": "https://registry.npmjs.org/@aws-sdk/util-locate-window/-/util-locate-window-1.0.0-rc.8.tgz",
-      "integrity": "sha512-TvqeA4fgmZ0A0x3K+qVj/OSWEFHGZjzpVuyXlm1EYOf7NQ9VWRlokEn1MYKuL+t7al9ZeQyi16D8Dn7DW1eidw==",
-      "dependencies": {
-        "tslib": "^1.8.0"
-      },
-      "engines": {
-        "node": ">= 10.0.0"
-      }
-    },
     "node_modules/@aws-crypto/random-source-browser/node_modules/tslib": {
       "version": "1.14.1",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
@@ -19815,40 +19795,23 @@
       }
     },
     "@aws-crypto/random-source-browser": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@aws-crypto/random-source-browser/-/random-source-browser-1.0.0.tgz",
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+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@aws-crypto/random-source-browser/-/random-source-browser-5.0.0.tgz",
+      "integrity": "sha512-HC8eqq7d3tyG4cHRYWGaWqFiGdn6inea6jeIUAiWFnTiIIIQur+9i6UmwMdUP7ZWqMqkDWKJwmi9+YAq2rvztw==",
       "requires": {
-        "@aws-crypto/ie11-detection": "^1.0.0",
-        "@aws-crypto/supports-web-crypto": "^1.0.0",
-        "@aws-sdk/util-locate-window": "^1.0.0-rc.1",
+        "@aws-crypto/supports-web-crypto": "^5.0.0",
+        "@aws-sdk/util-locate-window": "^3.0.0",
         "tslib": "^1.11.1"
       },
       "dependencies": {
-        "@aws-crypto/ie11-detection": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/@aws-crypto/ie11-detection/-/ie11-detection-1.0.0.tgz",
-          "integrity": "sha512-kCKVhCF1oDxFYgQrxXmIrS5oaWulkvRcPz+QBDMsUr2crbF4VGgGT6+uQhSwJFdUAQ2A//Vq+uT83eJrkzFgXA==",
-          "requires": {
-            "tslib": "^1.11.1"
-          }
-        },
         "@aws-crypto/supports-web-crypto": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/@aws-crypto/supports-web-crypto/-/supports-web-crypto-1.0.0.tgz",
-          "integrity": "sha512-IHLfv+WmVH89EW4n6a5eE8/hUlz6qkWGMn/v4r5ZgzcXdTC5nolii2z3k46y01hWRiC2PPhOdeSLzMUCUMco7g==",
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/@aws-crypto/supports-web-crypto/-/supports-web-crypto-5.0.0.tgz",
+          "integrity": "sha512-sUdCftb1fT4NIIj++wp6ZjQ7dKnTFiyTcC4AgsGjNAPbYPSXm3Zgr0qIAGwZ3F0/K4VTR276LwK+wa0xn/kL/g==",
           "requires": {
             "tslib": "^1.11.1"
           }
         },
-        "@aws-sdk/util-locate-window": {
-          "version": "1.0.0-rc.8",
-          "resolved": "https://registry.npmjs.org/@aws-sdk/util-locate-window/-/util-locate-window-1.0.0-rc.8.tgz",
-          "integrity": "sha512-TvqeA4fgmZ0A0x3K+qVj/OSWEFHGZjzpVuyXlm1EYOf7NQ9VWRlokEn1MYKuL+t7al9ZeQyi16D8Dn7DW1eidw==",
-          "requires": {
-            "tslib": "^1.8.0"
-          }
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         "tslib": {
           "version": "1.14.1",
           "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
@@ -19860,7 +19823,7 @@
       "version": "file:modules/raw-aes-keyring-browser",
       "requires": {
         "@aws-crypto/material-management-browser": "file:../material-management-browser",
-        "@aws-crypto/random-source-browser": "1.0.0",
+        "@aws-crypto/random-source-browser": "5.0.0",
         "@aws-crypto/raw-keyring": "file:../raw-keyring",
         "@aws-crypto/serialize": "file:../serialize",
         "@aws-crypto/web-crypto-backend": "file:../web-crypto-backend",
@@ -19897,7 +19860,7 @@
       "version": "file:modules/raw-rsa-keyring-browser",
       "requires": {
         "@aws-crypto/material-management-browser": "file:../material-management-browser",
-        "@aws-crypto/random-source-browser": "1.0.0",
+        "@aws-crypto/random-source-browser": "5.0.0",
         "@aws-crypto/raw-keyring": "file:../raw-keyring",
         "@aws-crypto/web-crypto-backend": "file:../web-crypto-backend",
         "@aws-sdk/util-base64-browser": "3.1.0",
@@ -20014,7 +19977,7 @@
       "version": "file:modules/web-crypto-backend",
       "requires": {
         "@aws-crypto/ie11-detection": "1.0.0",
-        "@aws-crypto/supports-web-crypto": "1.0.0",
+        "@aws-crypto/supports-web-crypto": "5.0.0",
         "@aws-sdk/util-locate-window": "3.37.0",
         "tslib": "^2.2.0"
       },
@@ -20035,9 +19998,9 @@
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         },
         "@aws-crypto/supports-web-crypto": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/@aws-crypto/supports-web-crypto/-/supports-web-crypto-1.0.0.tgz",
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+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/@aws-crypto/supports-web-crypto/-/supports-web-crypto-5.0.0.tgz",
+          "integrity": "sha512-sUdCftb1fT4NIIj++wp6ZjQ7dKnTFiyTcC4AgsGjNAPbYPSXm3Zgr0qIAGwZ3F0/K4VTR276LwK+wa0xn/kL/g==",
           "requires": {
             "tslib": "^1.11.1"
           },