diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 80ab7da..346619d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -30,3 +30,11 @@ jobs:
           asset_path: ./artifacts/phpactor.vsix
           asset_name: phpactor.vsix
           asset_content_type: application/octet-stream
+      - name: Publish to Visual Studio Marketplace
+        run: npx vsce publish --packagePath ./artifacts/phpactor.vsix
+        env:
+          VSCE_PAT: ${{ secrets.VSCE_PAT }}
+      - name: Publish to Open VSX Registry
+        run: npx ovsx publish --packagePath ./artifacts/phpactor.vsix
+        env:
+          OVSX_PAT: ${{ secrets.OVSX_PAT }}
diff --git a/package-lock.json b/package-lock.json
index 17df20c..5d073e2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,6 +25,7 @@
                 "eslint-plugin-jsdoc": "^48.0.0",
                 "glob": "^10.0.0",
                 "mocha": "^10.1.0",
+                "ovsx": "^0.9.1",
                 "prettier": "3.3.2",
                 "rimraf": "~5.0.0",
                 "source-map-support": "^0.5.12",
@@ -1763,6 +1764,12 @@
                 "node": ">=6.0"
             }
         },
+        "node_modules/ci-info": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-2.0.0.tgz",
+            "integrity": "sha512-5tK7EtrZ0N+OLFMthtqOj4fI2Jeb88C4CAZPu25LDVUgXJ0A3Js4PMGqrn0JU1W0Mh1/Z8wZzYPxqUrXeBboCQ==",
+            "dev": true
+        },
         "node_modules/cli-cursor": {
             "version": "4.0.0",
             "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-4.0.0.tgz",
@@ -2674,6 +2681,26 @@
             "integrity": "sha512-36yxDn5H7OFZQla0/jFJmbIKTdZAQHngCedGxiMmpNfEZM0sdEeT+WczLQrjK6D7o2aiyLYDnkw0R3JK0Qv1RQ==",
             "dev": true
         },
+        "node_modules/follow-redirects": {
+            "version": "1.15.6",
+            "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.6.tgz",
+            "integrity": "sha512-wWN62YITEaOpSK584EZXJafH1AGpO8RVgElfkuXbTOrPX4fIfOyEpW/CsiNd8JdYrAoOvafRTOEnvsO++qCqFA==",
+            "dev": true,
+            "funding": [
+                {
+                    "type": "individual",
+                    "url": "https://github.com/sponsors/RubenVerborgh"
+                }
+            ],
+            "engines": {
+                "node": ">=4.0"
+            },
+            "peerDependenciesMeta": {
+                "debug": {
+                    "optional": true
+                }
+            }
+        },
         "node_modules/foreground-child": {
             "version": "3.1.1",
             "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-3.1.1.tgz",
@@ -3087,6 +3114,18 @@
                 "node": ">=8"
             }
         },
+        "node_modules/is-ci": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/is-ci/-/is-ci-2.0.0.tgz",
+            "integrity": "sha512-YfJT7rkpQB0updsdHLGWrvhBJfcfzNNawYDNIyQXJz0IViGf75O8EBPKSdvw2rF+LGCsX4FZ8tcr3b19LcZq4w==",
+            "dev": true,
+            "dependencies": {
+                "ci-info": "^2.0.0"
+            },
+            "bin": {
+                "is-ci": "bin.js"
+            }
+        },
         "node_modules/is-docker": {
             "version": "2.2.1",
             "resolved": "https://registry.npmjs.org/is-docker/-/is-docker-2.2.1.tgz",
@@ -4157,6 +4196,27 @@
                 "url": "https://github.com/chalk/strip-ansi?sponsor=1"
             }
         },
+        "node_modules/ovsx": {
+            "version": "0.9.1",
+            "resolved": "https://registry.npmjs.org/ovsx/-/ovsx-0.9.1.tgz",
+            "integrity": "sha512-faORiHeVdRFXVjvwjGvsGdfw49ocUZwUvjrrObZDzhlkKkrUS8L2afeXF8goeuv1YbTV8lmFfBYAt0C4FaoVuQ==",
+            "dev": true,
+            "dependencies": {
+                "@vscode/vsce": "^2.25.0",
+                "commander": "^6.1.0",
+                "follow-redirects": "^1.14.6",
+                "is-ci": "^2.0.0",
+                "leven": "^3.1.0",
+                "semver": "^7.6.0",
+                "tmp": "^0.2.1"
+            },
+            "bin": {
+                "ovsx": "lib/ovsx"
+            },
+            "engines": {
+                "node": ">= 16"
+            }
+        },
         "node_modules/p-limit": {
             "version": "3.1.0",
             "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-3.1.0.tgz",
@@ -7106,6 +7166,12 @@
             "dev": true,
             "peer": true
         },
+        "ci-info": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-2.0.0.tgz",
+            "integrity": "sha512-5tK7EtrZ0N+OLFMthtqOj4fI2Jeb88C4CAZPu25LDVUgXJ0A3Js4PMGqrn0JU1W0Mh1/Z8wZzYPxqUrXeBboCQ==",
+            "dev": true
+        },
         "cli-cursor": {
             "version": "4.0.0",
             "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-4.0.0.tgz",
@@ -7782,6 +7848,12 @@
             "integrity": "sha512-36yxDn5H7OFZQla0/jFJmbIKTdZAQHngCedGxiMmpNfEZM0sdEeT+WczLQrjK6D7o2aiyLYDnkw0R3JK0Qv1RQ==",
             "dev": true
         },
+        "follow-redirects": {
+            "version": "1.15.6",
+            "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.6.tgz",
+            "integrity": "sha512-wWN62YITEaOpSK584EZXJafH1AGpO8RVgElfkuXbTOrPX4fIfOyEpW/CsiNd8JdYrAoOvafRTOEnvsO++qCqFA==",
+            "dev": true
+        },
         "foreground-child": {
             "version": "3.1.1",
             "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-3.1.1.tgz",
@@ -8076,6 +8148,15 @@
                 "binary-extensions": "^2.0.0"
             }
         },
+        "is-ci": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/is-ci/-/is-ci-2.0.0.tgz",
+            "integrity": "sha512-YfJT7rkpQB0updsdHLGWrvhBJfcfzNNawYDNIyQXJz0IViGf75O8EBPKSdvw2rF+LGCsX4FZ8tcr3b19LcZq4w==",
+            "dev": true,
+            "requires": {
+                "ci-info": "^2.0.0"
+            }
+        },
         "is-docker": {
             "version": "2.2.1",
             "resolved": "https://registry.npmjs.org/is-docker/-/is-docker-2.2.1.tgz",
@@ -8897,6 +8978,21 @@
                 }
             }
         },
+        "ovsx": {
+            "version": "0.9.1",
+            "resolved": "https://registry.npmjs.org/ovsx/-/ovsx-0.9.1.tgz",
+            "integrity": "sha512-faORiHeVdRFXVjvwjGvsGdfw49ocUZwUvjrrObZDzhlkKkrUS8L2afeXF8goeuv1YbTV8lmFfBYAt0C4FaoVuQ==",
+            "dev": true,
+            "requires": {
+                "@vscode/vsce": "^2.25.0",
+                "commander": "^6.1.0",
+                "follow-redirects": "^1.14.6",
+                "is-ci": "^2.0.0",
+                "leven": "^3.1.0",
+                "semver": "^7.6.0",
+                "tmp": "^0.2.1"
+            }
+        },
         "p-limit": {
             "version": "3.1.0",
             "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-3.1.0.tgz",
diff --git a/package.json b/package.json
index 9d5bb77..9a80213 100644
--- a/package.json
+++ b/package.json
@@ -148,6 +148,7 @@
         "eslint-plugin-jsdoc": "^48.0.0",
         "glob": "^10.0.0",
         "mocha": "^10.1.0",
+        "ovsx": "^0.9.1",
         "prettier": "3.3.2",
         "rimraf": "~5.0.0",
         "source-map-support": "^0.5.12",