diff --git a/.github/workflows/release-provider-snapshot.yml b/.github/workflows/release-provider-snapshot.yml
index cec7fbcb..0c906f92 100644
--- a/.github/workflows/release-provider-snapshot.yml
+++ b/.github/workflows/release-provider-snapshot.yml
@@ -91,7 +91,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v7
         with:
-          python-version: "3.12"
+          python-version: "3.15"
 
       # No dependency cache: release executables are built from a clean target.
       - name: Install Rust through mise
@@ -275,7 +275,7 @@ jobs:
       - name: Install Python
         uses: actions/setup-python@v7
         with:
-          python-version: "3.12"
+          python-version: "3.15"
 
       - name: Install Rust through mise
         uses: jdx/mise-action@v4
diff --git a/mise.toml b/mise.toml
index e8d66c52..a205daab 100644
--- a/mise.toml
+++ b/mise.toml
@@ -1,9 +1,9 @@
 [tools]
-rust = "1.98.1"
+rust = "1.99.1"
 # Repository orchestration only; the native MCK CLI and adapter need no JS runtime.
-bun = "1.4.2"
+bun = "1.4.4"
 # Componentizes the example extension in build:wasm.
-wasm-tools = "1.262.0"
+wasm-tools = "1.263.0"
 shellcheck = "latest"
 shfmt = "latest"
 yamllint = "latest"