diff --git a/ruby-gem/spec/dummy/package.json b/ruby-gem/spec/dummy/package.json
index bd071635a..1f6dfdef5 100644
--- a/ruby-gem/spec/dummy/package.json
+++ b/ruby-gem/spec/dummy/package.json
@@ -48,7 +48,7 @@
     "sass": "^1.93.3",
     "sass-loader": "^16.0.6",
     "set-state-compare": "^1.0.58",
-    "shakapacker": "8.2.0",
+    "shakapacker": "9.3.0",
     "stacktrace-parser": "^0.1.11",
     "stimulus": "^3.2.2",
     "style-loader": "^4.0.0",
diff --git a/ruby-gem/spec/dummy/yarn.lock b/ruby-gem/spec/dummy/yarn.lock
index 66e9096c0..30e507eb4 100644
--- a/ruby-gem/spec/dummy/yarn.lock
+++ b/ruby-gem/spec/dummy/yarn.lock
@@ -2048,6 +2048,15 @@ cliui@^7.0.2:
     strip-ansi "^6.0.0"
     wrap-ansi "^7.0.0"
 
+cliui@^8.0.1:
+  version "8.0.1"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-8.0.1.tgz#0c04b075db02cbfe60dc8e6cf2f5486b1a3608aa"
+  integrity sha512-BSeNnyus75C4//NQ9gQt1/csTXyo/8Sb+afLAkzAptFuMsod9HFokGNudZpi/oQV73hnVK+sR+5PVRMd+Dr7YQ==
+  dependencies:
+    string-width "^4.2.0"
+    strip-ansi "^6.0.1"
+    wrap-ansi "^7.0.0"
+
 "clone-deep@>= 4.0.1", clone-deep@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/clone-deep/-/clone-deep-4.0.1.tgz#c19fd9bdbbf85942b4fd979c84dcf7d5f07c2387"
@@ -4193,13 +4202,15 @@ setprototypeof@1.2.0:
   resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.2.0.tgz#66c9a24a73f9fc28cbe66b09fed3d33dcaf1b424"
   integrity sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==
 
-shakapacker@8.2.0:
-  version "8.2.0"
-  resolved "https://registry.yarnpkg.com/shakapacker/-/shakapacker-8.2.0.tgz#c7bed87b8be2ae565cfe616f68552be545c77e14"
-  integrity sha512-Ct7BFqJVnKbxdqCzG+ja7Q6LPt/PlB7sSVBfG5jsAvmVCADM05cuoNwEgYNjFGKbDzHAxUqy5XgoI9Y030+JKQ==
+shakapacker@9.3.0:
+  version "9.3.0"
+  resolved "https://registry.yarnpkg.com/shakapacker/-/shakapacker-9.3.0.tgz#a73f1d17aebf85768da522ec2552d5f2867f8481"
+  integrity sha512-q3gug4dZhJRLe8LHQOwG5jx7Jik0T+ZcMxEhiTyEAuIN8cIt4eek6gCn4OQdIqhdZXAiUBCUpfIHdWt9yUO9/g==
   dependencies:
     js-yaml "^4.1.0"
     path-complete-extname "^1.0.0"
+    webpack-merge "^5.8.0"
+    yargs "^17.7.2"
 
 shallow-clone@^3.0.0:
   version "3.0.1"
@@ -4330,7 +4341,7 @@ stimulus@^3.2.2:
   resolved "https://registry.yarnpkg.com/strftime/-/strftime-0.10.1.tgz#108af1176a7d5252cfbddbdb2af044dfae538389"
   integrity sha512-nVvH6JG8KlXFPC0f8lojLgEsPA18lRpLZ+RrJh/NkQV2tqOgZfbas8gcU8SFgnnqR3rWzZPYu6N2A3xzs/8rQg==
 
-string-width@^4.1.0, string-width@^4.2.0:
+string-width@^4.1.0, string-width@^4.2.0, string-width@^4.2.3:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
   integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
@@ -4686,6 +4697,15 @@ webpack-merge@6, webpack-merge@^6.0.1:
     flat "^5.0.2"
     wildcard "^2.0.1"
 
+webpack-merge@^5.8.0:
+  version "5.10.0"
+  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-5.10.0.tgz#a3ad5d773241e9c682803abf628d4cd62b8a4177"
+  integrity sha512-+4zXKdx7UnO+1jaN4l2lHVD+mFvnlZQP/6ljaJVb4SZiwIKeUnrT5l0gkT8z+n4hKpC+jpOv6O9R+gLtag7pSA==
+  dependencies:
+    clone-deep "^4.0.1"
+    flat "^5.0.2"
+    wildcard "^2.0.0"
+
 webpack-sources@^3.3.3:
   version "3.3.3"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-3.3.3.tgz#d4bf7f9909675d7a070ff14d0ef2a4f3c982c723"
@@ -4751,7 +4771,7 @@ which@^2.0.1:
   dependencies:
     isexe "^2.0.0"
 
-wildcard@^2.0.1:
+wildcard@^2.0.0, wildcard@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/wildcard/-/wildcard-2.0.1.tgz#5ab10d02487198954836b6349f74fff961e10f67"
   integrity sha512-CC1bOL87PIWSBhDcTrdeLo6eGT7mCFtrg0uIJtqJUFyK+eJnzl8A1niH56uu7KMa5XFrtiV+AQuHO3n7DsHnLQ==
@@ -4800,6 +4820,11 @@ yargs-parser@^20.2.2:
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-20.2.9.tgz#2eb7dc3b0289718fc295f362753845c41a0c94ee"
   integrity sha512-y11nGElTIV+CT3Zv9t7VKl+Q3hTQoT9a1Qzezhhl6Rp21gJ/IVTW7Z3y9EWXhuUBC2Shnf+DX0antecpAwSP8w==
 
+yargs-parser@^21.1.1:
+  version "21.1.1"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-21.1.1.tgz#9096bceebf990d21bb31fa9516e0ede294a77d35"
+  integrity sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw==
+
 yargs@^16.1.1:
   version "16.2.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-16.2.0.tgz#1c82bf0f6b6a66eafce7ef30e376f49a12477f66"
@@ -4813,6 +4838,19 @@ yargs@^16.1.1:
     y18n "^5.0.5"
     yargs-parser "^20.2.2"
 
+yargs@^17.7.2:
+  version "17.7.2"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-17.7.2.tgz#991df39aca675a192b816e1e0363f9d75d2aa269"
+  integrity sha512-7dSzzRQ++CKnNI/krKnYRV7JKKPUXMEh61soaHKg9mrWEhzFWhFnxPxGl+69cD1Ou63C13NUPCnmIcrvqCuM6w==
+  dependencies:
+    cliui "^8.0.1"
+    escalade "^3.1.1"
+    get-caller-file "^2.0.5"
+    require-directory "^2.1.1"
+    string-width "^4.2.3"
+    y18n "^5.0.5"
+    yargs-parser "^21.1.1"
+
 yocto-queue@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/yocto-queue/-/yocto-queue-0.1.0.tgz#0294eb3dee05028d31ee1a5fa2c556a6aaf10a1b"