diff --git a/.config/mise.toml b/.config/mise.toml
index f93067e..f7dcbda 100644
--- a/.config/mise.toml
+++ b/.config/mise.toml
@@ -3,11 +3,12 @@
 
 [env]
 _.source = "{{config_root}}/scripts/get-versions.sh"
+PULUMI_HOME = "{{config_root}}/.pulumi"
 
 [tools]
 
 # Runtimes
-# TODO: we may not need `get_env` once https://github.com/jdx/mise/discussions/6339 is fixed
+# TODO: we may not need 'get_env' once https://github.com/jdx/mise/discussions/6339 is fixed
 go = "{{ get_env(name='GO_VERSION_MISE', default='latest') }}"
 node = '20.19.5'
 python = '3.11.8'
@@ -17,12 +18,12 @@ java = 'corretto-11'
 
 # Executable tools
 pulumi = "{{ get_env(name='PULUMI_VERSION_MISE', default='latest') }}"
-"github:pulumi/pulumictl" = 'latest'
-"github:pulumi/schema-tools" = "latest"
-gradle = '7.6'
+"github:pulumi/pulumictl" = '0.0.50'
+"github:pulumi/schema-tools" = "0.6.0"
+"aqua:gradle/gradle-distributions" = '7.6.6'
 golangci-lint = "1.64.8" # See note about about overrides if you need to customize this.
 "npm:yarn" = "1.22.22"
 
 [settings]
 experimental = true # Required for Go binaries (e.g. pulumictl).
-lockfile = true
+lockfile = false
diff --git a/.github/actions/setup-tools/action.yml b/.github/actions/setup-tools/action.yml
index ea48463..2cc5310 100644
--- a/.github/actions/setup-tools/action.yml
+++ b/.github/actions/setup-tools/action.yml
@@ -14,7 +14,9 @@ runs:
   using: "composite"
   steps:
     - name: Setup mise
-      uses: jdx/mise-action@d16887ba50704baed7de72bd1e82e04391e4457a # v3
+      uses: jdx/mise-action@146a28175021df8ca24f8ee1828cc2a60f980bd5 # v3
+      env:
+        MISE_FETCH_REMOTE_VERSIONS_TIMEOUT: 30s
       with:
         version: 2025.11.6
         cache_save: ${{ inputs.cache }}