diff --git a/package-lock.json b/package-lock.json
index c940b2d2ebf..61cd557860c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
       "devDependencies": {
         "@blockly/block-test": "^5.0.0",
         "@blockly/dev-tools": "^7.0.2",
-        "@blockly/theme-modern": "^5.0.0",
+        "@blockly/theme-modern": "^6.0.3",
         "@hyperjump/json-schema": "^1.5.0",
         "@microsoft/api-documenter": "^7.22.4",
         "@microsoft/api-extractor": "^7.29.5",
@@ -220,15 +220,15 @@
       }
     },
     "node_modules/@blockly/theme-modern": {
-      "version": "5.0.5",
-      "resolved": "https://registry.npmjs.org/@blockly/theme-modern/-/theme-modern-5.0.5.tgz",
-      "integrity": "sha512-rbVOGxKHAatzHI6Yhy9lJbIRPzAW2Xgf+N1U1KSkyVmUziLKKaNKwwYvnOSx4MmoDD49SrZMdUgT8G+VBLFhYw==",
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/@blockly/theme-modern/-/theme-modern-6.0.3.tgz",
+      "integrity": "sha512-pGtwrxqUHfFmT2s8DRZ/FGuBo3hdoVZt66FDFWicripRv5OteXlmLiw3zjbVnca34LHwJ0lKCvUvARAVbPVnHg==",
       "dev": true,
       "engines": {
         "node": ">=8.17.0"
       },
       "peerDependencies": {
-        "blockly": "^10.0.0"
+        "blockly": "^11.0.0"
       }
     },
     "node_modules/@blockly/theme-tritanopia": {
diff --git a/package.json b/package.json
index a5a15ad90d2..1f78c40bbb0 100644
--- a/package.json
+++ b/package.json
@@ -102,7 +102,7 @@
   "devDependencies": {
     "@blockly/block-test": "^5.0.0",
     "@blockly/dev-tools": "^7.0.2",
-    "@blockly/theme-modern": "^5.0.0",
+    "@blockly/theme-modern": "^6.0.3",
     "@hyperjump/json-schema": "^1.5.0",
     "@microsoft/api-documenter": "^7.22.4",
     "@microsoft/api-extractor": "^7.29.5",