diff --git a/packages/pyright-internal/package-lock.json b/packages/pyright-internal/package-lock.json
index e4aeddcc36d9..5c61bd56c620 100644
--- a/packages/pyright-internal/package-lock.json
+++ b/packages/pyright-internal/package-lock.json
@@ -10,7 +10,7 @@
             "license": "MIT",
             "dependencies": {
                 "@iarna/toml": "2.2.5",
-                "@yarnpkg/fslib": "2.10.4",
+                "@yarnpkg/fslib": "^3.1.0",
                 "@yarnpkg/libzip": "2.3.0",
                 "chalk": "^4.1.2",
                 "chokidar": "^3.6.0",
@@ -1898,22 +1898,17 @@
             "dev": true
         },
         "node_modules/@yarnpkg/fslib": {
-            "version": "2.10.4",
-            "resolved": "https://registry.npmjs.org/@yarnpkg/fslib/-/fslib-2.10.4.tgz",
-            "integrity": "sha512-WhaLwvXEMjCjGxOraQx+Qtmst13iAPOlSElSZfQFdLohva5owlqACRapJ78zZFEW6M9ArqdQlZaHKVN5/mM+SA==",
+            "version": "3.1.0",
+            "resolved": "https://registry.npmjs.org/@yarnpkg/fslib/-/fslib-3.1.0.tgz",
+            "integrity": "sha512-wsj7/sUVSdXOIX/qwaON/Ky5GsP5gs9ry9DKwgLbWT7k3qw4/EcHAtfTtPhBYu33UibzBFI+fgB4wBRVH2XVaw==",
+            "license": "BSD-2-Clause",
             "dependencies": {
-                "@yarnpkg/libzip": "^2.3.0",
-                "tslib": "^1.13.0"
+                "tslib": "^2.4.0"
             },
             "engines": {
-                "node": ">=12 <14 || 14.2 - 14.9 || >14.10.0"
+                "node": ">=18.12.0"
             }
         },
-        "node_modules/@yarnpkg/fslib/node_modules/tslib": {
-            "version": "1.14.1",
-            "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
-            "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
-        },
         "node_modules/@yarnpkg/libzip": {
             "version": "2.3.0",
             "resolved": "https://registry.npmjs.org/@yarnpkg/libzip/-/libzip-2.3.0.tgz",
@@ -5432,6 +5427,12 @@
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             "dev": true
         },
+        "node_modules/tslib": {
+            "version": "2.7.0",
+            "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.7.0.tgz",
+            "integrity": "sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA==",
+            "license": "0BSD"
+        },
         "node_modules/type-detect": {
             "version": "4.0.8",
             "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
@@ -7278,19 +7279,11 @@
             "dev": true
         },
         "@yarnpkg/fslib": {
-            "version": "2.10.4",
-            "resolved": "https://registry.npmjs.org/@yarnpkg/fslib/-/fslib-2.10.4.tgz",
-            "integrity": "sha512-WhaLwvXEMjCjGxOraQx+Qtmst13iAPOlSElSZfQFdLohva5owlqACRapJ78zZFEW6M9ArqdQlZaHKVN5/mM+SA==",
+            "version": "3.1.0",
+            "resolved": "https://registry.npmjs.org/@yarnpkg/fslib/-/fslib-3.1.0.tgz",
+            "integrity": "sha512-wsj7/sUVSdXOIX/qwaON/Ky5GsP5gs9ry9DKwgLbWT7k3qw4/EcHAtfTtPhBYu33UibzBFI+fgB4wBRVH2XVaw==",
             "requires": {
-                "@yarnpkg/libzip": "^2.3.0",
-                "tslib": "^1.13.0"
-            },
-            "dependencies": {
-                "tslib": {
-                    "version": "1.14.1",
-                    "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
-                    "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
-                }
+                "tslib": "^2.4.0"
             }
         },
         "@yarnpkg/libzip": {
@@ -9843,6 +9836,11 @@
                 }
             }
         },
+        "tslib": {
+            "version": "2.7.0",
+            "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.7.0.tgz",
+            "integrity": "sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA=="
+        },
         "type-detect": {
             "version": "4.0.8",
             "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
diff --git a/packages/pyright-internal/package.json b/packages/pyright-internal/package.json
index 341d39db23ad..400d08f9d4a7 100644
--- a/packages/pyright-internal/package.json
+++ b/packages/pyright-internal/package.json
@@ -20,7 +20,7 @@
     },
     "dependencies": {
         "@iarna/toml": "2.2.5",
-        "@yarnpkg/fslib": "2.10.4",
+        "@yarnpkg/fslib": "3.1.0",
         "@yarnpkg/libzip": "2.3.0",
         "chalk": "^4.1.2",
         "chokidar": "^3.6.0",