diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 85f5435f0699..2f483e896b61 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,7 +9,7 @@ on:
       - 'release-*'
 
 env:
-  NODE_VERSION: 12.15.0
+  NODE_VERSION: 14.18.2
   # Force a path with spaces and to test extension works in these scenarios
   # Unicode characters are causing 2.7 failures so skip that for now.
   special-working-directory: './path with spaces'
diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 8a86f92c081e..006d5a5c325c 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -8,7 +8,7 @@ on:
       - release*
 
 env:
-  NODE_VERSION: 12.15.0
+  NODE_VERSION: 14.18.2
   PYTHON_VERSION: '3.10' # YML treats 3.10 the number as 3.1, so quotes around 3.10
   MOCHA_REPORTER_JUNIT: true # Use the mocha-multi-reporters and send output to both console (spec) and JUnit (mocha-junit-reporter). Also enables a reporter which exits the process running the tests if it haven't already.
   ARTIFACT_NAME_VSIX: ms-python-insiders-vsix
diff --git a/.nvmrc b/.nvmrc
index 7124fdc300ae..ca4a60d1b111 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-v12.20.0
+v14.18.2
diff --git a/news/3 Code Health/18148.md b/news/3 Code Health/18148.md
new file mode 100644
index 000000000000..ff887fa7b25f
--- /dev/null
+++ b/news/3 Code Health/18148.md	
@@ -0,0 +1 @@
+Upgrade to Node 14 LTS (v14.18.2).
diff --git a/package-lock.json b/package-lock.json
index 50e29463aeb1..80fa7a9e5a67 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -61,7 +61,7 @@
                 "@types/md5": "^2.1.32",
                 "@types/mocha": "^5.2.7",
                 "@types/nock": "^10.0.3",
-                "@types/node": "^12.19.12",
+                "@types/node": "^14.18.0",
                 "@types/request": "^2.47.0",
                 "@types/semver": "^5.5.0",
                 "@types/shortid": "^0.0.29",
@@ -744,9 +744,9 @@
             }
         },
         "node_modules/@types/node": {
-            "version": "12.19.12",
-            "resolved": "https://registry.npmjs.org/@types/node/-/node-12.19.12.tgz",
-            "integrity": "sha512-UwfL2uIU9arX/+/PRcIkT08/iBadGN2z6ExOROA2Dh5mAuWTBj6iJbQX4nekiV5H8cTrEG569LeX+HRco9Cbxw==",
+            "version": "14.18.0",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-14.18.0.tgz",
+            "integrity": "sha512-0GeIl2kmVMXEnx8tg1SlG6Gg8vkqirrW752KqolYo1PHevhhZN3bhJ67qHj+bQaINhX0Ra3TlWwRvMCd9iEfNQ==",
             "dev": true
         },
         "node_modules/@types/request": {
@@ -17220,9 +17220,9 @@
             }
         },
         "@types/node": {
-            "version": "12.19.12",
-            "resolved": "https://registry.npmjs.org/@types/node/-/node-12.19.12.tgz",
-            "integrity": "sha512-UwfL2uIU9arX/+/PRcIkT08/iBadGN2z6ExOROA2Dh5mAuWTBj6iJbQX4nekiV5H8cTrEG569LeX+HRco9Cbxw==",
+            "version": "14.18.0",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-14.18.0.tgz",
+            "integrity": "sha512-0GeIl2kmVMXEnx8tg1SlG6Gg8vkqirrW752KqolYo1PHevhhZN3bhJ67qHj+bQaINhX0Ra3TlWwRvMCd9iEfNQ==",
             "dev": true
         },
         "@types/request": {
diff --git a/package.json b/package.json
index 01231d69b1a3..eda644d69815 100644
--- a/package.json
+++ b/package.json
@@ -1954,7 +1954,7 @@
         "@types/md5": "^2.1.32",
         "@types/mocha": "^5.2.7",
         "@types/nock": "^10.0.3",
-        "@types/node": "^12.19.12",
+        "@types/node": "^14.18.0",
         "@types/request": "^2.47.0",
         "@types/semver": "^5.5.0",
         "@types/shortid": "^0.0.29",
diff --git a/src/client/common/platform/fileSystem.ts b/src/client/common/platform/fileSystem.ts
index 9d66887f4c39..8f962b0f776f 100644
--- a/src/client/common/platform/fileSystem.ts
+++ b/src/client/common/platform/fileSystem.ts
@@ -122,7 +122,7 @@ export class RawFileSystem implements IRawFileSystem {
             // The "fs-extra" module is effectively equivalent to node's "fs"
             // module (but is a bit more async-friendly).  So we use that
             // instead of "fs".
-            fsExtra || fs,
+            fsExtra || (fs as IRawFSExtra),
         );
     }