diff --git a/app/assets/javascripts/discourse/package.json b/app/assets/javascripts/discourse/package.json
index 6ffcdb7b57e..dab2b96ed12 100644
--- a/app/assets/javascripts/discourse/package.json
+++ b/app/assets/javascripts/discourse/package.json
@@ -92,7 +92,7 @@
     "qunit-dom": "^2.0.0",
     "sass": "^1.60.0",
     "select-kit": "1.0.0",
-    "sinon": "^15.0.2",
+    "sinon": "^15.0.3",
     "source-map": "^0.7.4",
     "terser": "^5.16.8",
     "tippy.js": "^6.3.7",
diff --git a/app/assets/javascripts/yarn.lock b/app/assets/javascripts/yarn.lock
index 5c769f65d51..bf6044e9abb 100644
--- a/app/assets/javascripts/yarn.lock
+++ b/app/assets/javascripts/yarn.lock
@@ -1452,10 +1452,10 @@
   dependencies:
     "@sinonjs/commons" "^2.0.0"
 
-"@sinonjs/samsam@^7.0.1":
-  version "7.0.1"
-  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-7.0.1.tgz#5b5fa31c554636f78308439d220986b9523fc51f"
-  integrity sha512-zsAk2Jkiq89mhZovB2LLOdTCxJF4hqqTToGP0ASWlhp4I1hqOjcfmZGafXntCN7MDC6yySH0mFHrYtHceOeLmw==
+"@sinonjs/samsam@^8.0.0":
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-8.0.0.tgz#0d488c91efb3fa1442e26abea81759dfc8b5ac60"
+  integrity sha512-Bp8KUVlLp8ibJZrnvq2foVhP0IVX2CIprMJPK0vqGqgrDa0OHVKeZyBykqskkrdxV6yKBPmGasO8LVjAKR3Gew==
   dependencies:
     "@sinonjs/commons" "^2.0.0"
     lodash.get "^4.4.2"
@@ -8481,14 +8481,14 @@ simple-html-tokenizer@^0.5.11:
   resolved "https://registry.yarnpkg.com/simple-html-tokenizer/-/simple-html-tokenizer-0.5.11.tgz#4c5186083c164ba22a7b477b7687ac056ad6b1d9"
   integrity sha512-C2WEK/Z3HoSFbYq8tI7ni3eOo/NneSPRoPpcM7WdLjFOArFuyXEjAoCdOC3DgMfRyziZQ1hCNR4mrNdWEvD0og==
 
-sinon@^15.0.2:
-  version "15.0.2"
-  resolved "https://registry.yarnpkg.com/sinon/-/sinon-15.0.2.tgz#f3e3aacb990bbaa8a7bb976e86118c5dc0154e66"
-  integrity sha512-PCVP63XZkg0/LOqQH5rEU4LILuvTFMb5tNxTHfs6VUMNnZz2XrnGSTZbAGITjzwQWbl/Bl/8hi4G3zZWjyBwHg==
+sinon@^15.0.3:
+  version "15.0.3"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-15.0.3.tgz#38005fcd80827177b6aa0245f82401d9ec88994b"
+  integrity sha512-si3geiRkeovP7Iel2O+qGL4NrO9vbMf3KsrJEi0ghP1l5aBkB5UxARea5j0FUsSqH3HLBh0dQPAyQ8fObRUqHw==
   dependencies:
     "@sinonjs/commons" "^3.0.0"
     "@sinonjs/fake-timers" "^10.0.2"
-    "@sinonjs/samsam" "^7.0.1"
+    "@sinonjs/samsam" "^8.0.0"
     diff "^5.1.0"
     nise "^5.1.4"
     supports-color "^7.2.0"