diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 95bd52f8..8186c50f 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -119,9 +119,9 @@ jobs:
       fail-fast: false
       matrix:
         combo:
-          - otp-version: latest
-            elixir-version: latest
-            rebar3-version: nightly
+          - otp-version: 27
+            elixir-version: 1.19
+            rebar3-version: 3.24
             os: macos-latest
     steps:
       - uses: actions/checkout@v4.2.2
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index b272b00b..94e8fbbe 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -145,10 +145,10 @@ jobs:
       fail-fast: false
       matrix:
         combo:
-          - otp-version: latest
-            elixir-version: latest
-            gleam-version: latest
-            rebar3-version: nightly
+          - otp-version: 27
+            elixir-version: 1.19
+            gleam-version: 1.10
+            rebar3-version: 3.24
             os: ubuntu-latest
     steps:
       - uses: actions/checkout@v4.2.2
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 3a1922d6..55edfdbb 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -43,10 +43,10 @@ jobs:
             version-type: 'strict'
           - otp-version: '24.0.2'
             rebar3-version: '3.16'
-            os: 'windows-2019'
+            os: 'windows-2022'
           - otp-version: '23.0'
             rebar3-version: '3.15'
-            os: 'windows-2019'
+            os: 'windows-2022'
           - elixir-version: 'v1.10'
             otp-version: '23'
             rebar3-version: '3.14'
@@ -125,10 +125,10 @@ jobs:
       fail-fast: false
       matrix:
         combo:
-          - otp-version: latest
-            elixir-version: latest
-            gleam-version: latest
-            rebar3-version: nightly
+          - otp-version: 27
+            elixir-version: 1.19
+            gleam-version: 1.10
+            rebar3-version: 3.24
             os: windows-latest
     steps:
       - uses: actions/checkout@v4.2.2
diff --git a/package-lock.json b/package-lock.json
index 767664b1..b7423bff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "semver": "7.7.2"
       },
       "devDependencies": {
-        "@eslint/js": "9.27.0",
+        "@eslint/js": "9.28.0",
         "@vercel/ncc": "0.38.3",
         "eslint": "9.28.0",
         "eslint-plugin-yml": "1.18.0",
@@ -191,9 +191,9 @@
       }
     },
     "node_modules/@eslint/js": {
-      "version": "9.27.0",
-      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.27.0.tgz",
-      "integrity": "sha512-G5JD9Tu5HJEu4z2Uo4aHY2sLV64B7CDMXxFzqzjl3NKd6RVzSXNoE80jk7Y0lJkTTkjiIhBAqmlYwjuBY3tvpA==",
+      "version": "9.28.0",
+      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.28.0.tgz",
+      "integrity": "sha512-fnqSjGWd/CoIp4EXIxWVK/sHA6DOHN4+8Ix2cX5ycOY7LG0UY8nHCU5pIp2eaE1Mc7Qd8kHspYNzYXT2ojPLzg==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -1095,19 +1095,6 @@
         "url": "https://opencollective.com/eslint"
       }
     },
-    "node_modules/eslint/node_modules/@eslint/js": {
-      "version": "9.28.0",
-      "resolved": "https://registry.npmjs.org/@eslint/js/-/js-9.28.0.tgz",
-      "integrity": "sha512-fnqSjGWd/CoIp4EXIxWVK/sHA6DOHN4+8Ix2cX5ycOY7LG0UY8nHCU5pIp2eaE1Mc7Qd8kHspYNzYXT2ojPLzg==",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
-      },
-      "funding": {
-        "url": "https://eslint.org/donate"
-      }
-    },
     "node_modules/eslint/node_modules/eslint-visitor-keys": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-4.2.0.tgz",
diff --git a/package.json b/package.json
index e94bb966..c20b6d58 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   "devDependencies": {
     "@vercel/ncc": "0.38.3",
     "eslint": "9.28.0",
-    "@eslint/js": "9.27.0",
+    "@eslint/js": "9.28.0",
     "globals": "16.2.0",
     "markdownlint-cli": "0.45.0",
     "prettier": "3.5.3",
diff --git a/test/projects/gleamgleam/gleam.toml b/test/projects/gleamgleam/gleam.toml
index 7b21e335..2788ad5b 100644
--- a/test/projects/gleamgleam/gleam.toml
+++ b/test/projects/gleamgleam/gleam.toml
@@ -13,7 +13,7 @@ version = "1.0.0"
 # https://gleam.run/writing-gleam/gleam-toml/.
 
 [dependencies]
-gleam_stdlib = ">= 0.34.0 and < 2.0.0"
+gleam_stdlib = "0.60.0"
 
 [dev-dependencies]
-gleeunit = ">= 1.0.0 and < 2.0.0"
+gleeunit = "1.3.0"
diff --git a/test/projects/gleamgleam/manifest.toml b/test/projects/gleamgleam/manifest.toml
new file mode 100644
index 00000000..ba6a831b
--- /dev/null
+++ b/test/projects/gleamgleam/manifest.toml
@@ -0,0 +1,11 @@
+# This file was generated by Gleam
+# You typically do not need to edit this file
+
+packages = [
+  { name = "gleam_stdlib", version = "0.60.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "621D600BB134BC239CB2537630899817B1A42E60A1D46C5E9F3FAE39F88C800B" },
+  { name = "gleeunit", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "0E6C83834BA65EDCAAF4FE4FB94AC697D9262D83E6F58A750D63C9F6C8A9D9FF" },
+]
+
+[requirements]
+gleam_stdlib = { version = "0.60.0" }
+gleeunit = { version = "1.3.0" }