diff --git a/package-lock.json b/package-lock.json
index 4e77af53a2..3cee912bc4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7724,11 +7724,6 @@
         "yaml": "^1.10.0"
       }
     },
-    "cosmiconfig-typescript-loader": {
-      "version": "4.3.0",
-      "resolved": "https://registry.npmjs.org/cosmiconfig-typescript-loader/-/cosmiconfig-typescript-loader-4.3.0.tgz",
-      "integrity": "sha512-NTxV1MFfZDLPiBMjxbHRwSh5LaLcPMwNdCutmnHJCKoVnlvldPWlllonKwrsRJ5pYZBIBGRWWU2tfvzxgeSW5Q=="
-    },
     "cross-fetch": {
       "version": "3.1.5",
       "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-3.1.5.tgz",
@@ -14486,6 +14481,11 @@
         }
       }
     },
+    "jiti": {
+      "version": "1.18.2",
+      "resolved": "https://registry.npmjs.org/jiti/-/jiti-1.18.2.tgz",
+      "integrity": "sha512-QAdOptna2NYiSSpv0O/BwoHBSmz4YhpzJHyi+fnMRTXFjp7B8i/YG5Z8IfusxB1ufjcD2Sre1F3R+nX3fvy7gg=="
+    },
     "joi": {
       "version": "17.9.2",
       "resolved": "https://registry.npmjs.org/joi/-/joi-17.9.2.tgz",
@@ -15820,12 +15820,12 @@
       }
     },
     "postcss-loader": {
-      "version": "7.2.4",
-      "resolved": "https://registry.npmjs.org/postcss-loader/-/postcss-loader-7.2.4.tgz",
-      "integrity": "sha512-F88rpxxNspo5hatIc+orYwZDtHFaVFOSIVAx+fBfJC1GmhWbVmPWtmg2gXKE1OxJbneOSGn8PWdIwsZFcruS+w==",
+      "version": "7.3.2",
+      "resolved": "https://registry.npmjs.org/postcss-loader/-/postcss-loader-7.3.2.tgz",
+      "integrity": "sha512-c7qDlXErX6n0VT+LUsW+nwefVtTu3ORtVvK8EXuUIDcxo+b/euYqpuHlJAvePb0Af5e8uMjR/13e0lTuYifaig==",
       "requires": {
         "cosmiconfig": "^8.1.3",
-        "cosmiconfig-typescript-loader": "^4.3.0",
+        "jiti": "^1.18.2",
         "klona": "^2.0.6",
         "semver": "^7.3.8"
       },
@@ -15868,9 +15868,9 @@
           }
         },
         "semver": {
-          "version": "7.3.8",
-          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.8.tgz",
-          "integrity": "sha512-NB1ctGL5rlHrPJtFDVIVzTyQylMLu9N9VICA6HSFJo8MCGVTMW6gfpicwKmmK/dAjTOrqu5l63JJOpDSrAis3A==",
+          "version": "7.5.1",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.1.tgz",
+          "integrity": "sha512-Wvss5ivl8TMRZXXESstBA4uR5iXgEN/VC5/sOcuXdVLzcdkz4HWetIoRfG5gb5X+ij/G9rw9YoGn3QoQ8OCSpw==",
           "requires": {
             "lru-cache": "^6.0.0"
           }
diff --git a/package.json b/package.json
index c84b61f303..c99f1d2bd4 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
                 "monaco-editor-webpack-plugin": "7.0.1",
                 "office-ui-fabric-core": "11.1.0",
                 "postcss-flexbugs-fixes": "5.0.2",
-                "postcss-loader": "7.2.4",
+                "postcss-loader": "7.3.2",
                 "postcss-preset-env": "8.3.2",
                 "re-resizable": "6.9.9",
                 "react": "18.2.0",