diff --git a/.github/actions/setup-rust/CHANGELOG.md b/.github/actions/setup-rust/CHANGELOG.md
index 84da6cde..9d0445e0 100644
--- a/.github/actions/setup-rust/CHANGELOG.md
+++ b/.github/actions/setup-rust/CHANGELOG.md
@@ -1,6 +1,11 @@
 
 # Changelog
 
+## v1.0.4
+
+- Optionally install SQLite development libraries on Windows via MSYS2 using the
+  `install-sqlite-deps` input.
+
 ## v1.0.3
 
 - Install PostgreSQL client libraries on Windows via Chocolatey.
diff --git a/.github/actions/setup-rust/README.md b/.github/actions/setup-rust/README.md
index c37814f7..4fc30e5e 100644
--- a/.github/actions/setup-rust/README.md
+++ b/.github/actions/setup-rust/README.md
@@ -1,13 +1,15 @@
 # Setup Rust
 
 Install the Rust toolchain and cache your build dependencies. Optionally
-install PostgreSQL system libraries for crates that require them.
+install PostgreSQL and SQLite system libraries for crates that require
+them.
 
 ## Inputs
 
 | Name | Description | Required | Default |
 | --- | --- | --- | --- |
 | install-postgres-deps | Install PostgreSQL system dependencies | no | `false` |
+| install-sqlite-deps | Install SQLite development libraries (Windows) | no | `false` |
 | BUILD_PROFILE | Build profile used for caching | no | `release` |
 
 ## Outputs
@@ -20,6 +22,7 @@ None
 uses: ./.github/actions/setup-rust@v1
   with:
     install-postgres-deps: true
+    install-sqlite-deps: true
 ```
 
 When `install-postgres-deps` is enabled, the action installs PostgreSQL
@@ -28,6 +31,31 @@ it uses `apt` (`libpq-dev`). On Windows, Chocolatey installs
 `postgresql17` and exposes its headers and import libraries through
 `PG_INCLUDE` and `PG_LIB` environment variables.
 
+When `install-sqlite-deps` is enabled, the action installs SQLite
+development files using MSYS2 on Windows.
+
+SQLite support on Windows is enabled by setting up an MSYS2 environment
+with the MinGW toolchain and the `mingw-w64-x86_64-sqlite3` package,
+so the static library and headers are available when compiling crates that
+depend on SQLite.
+
+```yaml
+      # Bring in MSYS2 plus the MinGW build of SQLite
+      - name: Install MSYS2 toolchain and SQLite
+        uses: msys2/setup-msys2@v2
+        with:
+          msystem: MINGW64
+          update: true
+          install: >-
+            mingw-w64-x86_64-toolchain
+            mingw-w64-x86_64-sqlite3       # ships libsqlite3.a + headers
+
+      # Build inside the MSYS2 shell so the linker sees /mingw64/lib
+      - name: Build
+        shell: msys2 {0}
+        run: cargo build --workspace --all-targets --verbose
+```
+
 ## Caching
 
 This action caches `~/.cargo/registry`, `~/.cargo/git` and the build output in
diff --git a/.github/actions/setup-rust/action.yml b/.github/actions/setup-rust/action.yml
index 50edd3e5..11c3a0ef 100644
--- a/.github/actions/setup-rust/action.yml
+++ b/.github/actions/setup-rust/action.yml
@@ -5,6 +5,10 @@ inputs:
     description: Install PostgreSQL system dependencies
     required: false
     default: false
+  install-sqlite-deps:
+    description: Install SQLite development libraries on Windows
+    required: false
+    default: false
 runs:
   using: composite
   steps:
@@ -39,3 +43,13 @@ runs:
         "PG_INCLUDE=$pgRoot\include" | Out-File -FilePath $Env:GITHUB_ENV -Encoding utf8 -Append
         "PG_LIB=$pgRoot\lib"         | Out-File -FilePath $Env:GITHUB_ENV -Encoding utf8 -Append
         echo "$pgRoot\bin"           | Out-File -FilePath $Env:GITHUB_PATH -Encoding utf8 -Append
+
+    - name: Install MSYS2 toolchain and SQLite
+      if: ${{ inputs.install-sqlite-deps == 'true' && runner.os == 'Windows' }}
+      uses: msys2/setup-msys2@v2
+      with:
+        msystem: MINGW64
+        update: true
+        install: >-
+          mingw-w64-x86_64-toolchain
+          mingw-w64-x86_64-sqlite3