diff --git a/.github/workflows/static.yaml b/.github/workflows/static.yaml
index a8be892611..7a2abe115b 100644
--- a/.github/workflows/static.yaml
+++ b/.github/workflows/static.yaml
@@ -93,14 +93,11 @@ jobs:
       matrix:
         platform: ${{ fromJson(needs.prepare.outputs.platforms) }}
         debug: [false]
-        mimalloc: [false]
         include:
           - platform: linux/amd64
           - platform: linux/amd64
             debug: true
-          - platform: linux/amd64
-            mimalloc: true
-    name: Build ${{ matrix.platform }} static musl binary${{ matrix.debug && ' (debug)' || '' }}${{ matrix.mimalloc && ' (mimalloc)' || '' }}
+    name: Build ${{ matrix.platform }} static musl binary${{ matrix.debug && ' (debug)' || '' }}
     runs-on: ${{ startsWith(matrix.platform, 'linux/arm') && 'ubuntu-24.04-arm' || 'ubuntu-24.04' }}
     needs: [prepare]
     steps:
@@ -141,25 +138,24 @@ jobs:
         uses: docker/bake-action@v6
         with:
           pull: true
-          load: ${{ !fromJson(needs.prepare.outputs.push) || matrix.debug || matrix.mimalloc }}
+          load: ${{ !fromJson(needs.prepare.outputs.push) || matrix.debug }}
           source: .
           targets: static-builder-musl
           set: |
             ${{ matrix.debug && 'static-builder-musl.args.DEBUG_SYMBOLS=1' || '' }}
-            ${{ matrix.mimalloc && 'static-builder-musl.args.MIMALLOC=1' || '' }}
             ${{ (github.event_name == 'pull_request' || matrix.platform == 'linux/arm64') && 'static-builder-musl.args.NO_COMPRESS=1' || '' }}
             *.tags=
             *.platform=${{ matrix.platform }}
-            ${{ fromJson(needs.prepare.outputs.push) && '' || format('*.cache-from=type=gha,scope={0}-static-builder-musl{1}{2}', needs.prepare.outputs.ref || github.ref, matrix.debug && '-debug' || '', matrix.mimalloc && '-mimalloc' || '') }}
-            ${{ fromJson(needs.prepare.outputs.push) && '' || format('*.cache-from=type=gha,scope=refs/heads/main-static-builder-musl{0}{1}', matrix.debug && '-debug' || '', matrix.mimalloc && '-mimalloc' || '') }}
-            ${{ fromJson(needs.prepare.outputs.push) && '' || format('*.cache-to=type=gha,scope={0}-static-builder-musl{1}{2},ignore-error=true', needs.prepare.outputs.ref || github.ref, matrix.debug && '-debug' || '', matrix.mimalloc && '-mimalloc' || '') }}
-            ${{ (fromJson(needs.prepare.outputs.push) && !matrix.debug && !matrix.mimalloc) && format('*.output=type=image,name={0},push-by-digest=true,name-canonical=true,push=true', env.IMAGE_NAME) || '' }}
+            ${{ fromJson(needs.prepare.outputs.push) && '' || format('*.cache-from=type=gha,scope={0}-static-builder-musl{1}', needs.prepare.outputs.ref || github.ref, matrix.debug && '-debug' || '') }}
+            ${{ fromJson(needs.prepare.outputs.push) && '' || format('*.cache-from=type=gha,scope=refs/heads/main-static-builder-musl{0}', matrix.debug && '-debug' || '') }}
+            ${{ fromJson(needs.prepare.outputs.push) && '' || format('*.cache-to=type=gha,scope={0}-static-builder-musl{1},ignore-error=true', needs.prepare.outputs.ref || github.ref, matrix.debug && '-debug' || '') }}
+            ${{ (fromJson(needs.prepare.outputs.push) && !matrix.debug) && format('*.output=type=image,name={0},push-by-digest=true,name-canonical=true,push=true', env.IMAGE_NAME) || '' }}
         env:
           SHA: ${{ github.sha }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - # Workaround for https://github.com/actions/runner/pull/2477#issuecomment-1501003600
         name: Export metadata
-        if: fromJson(needs.prepare.outputs.push) && !matrix.debug && !matrix.mimalloc
+        if: fromJson(needs.prepare.outputs.push) && !matrix.debug
         run: |
           mkdir -p /tmp/metadata
 
@@ -169,7 +165,7 @@ jobs:
         env:
           METADATA: ${{ steps.build.outputs.metadata }}
       - name: Upload metadata
-        if: fromJson(needs.prepare.outputs.push) && !matrix.debug && !matrix.mimalloc
+        if: fromJson(needs.prepare.outputs.push) && !matrix.debug
         uses: actions/upload-artifact@v6
         with:
           name: metadata-static-builder-musl-${{ steps.prepare.outputs.sanitized_platform }}
@@ -181,9 +177,9 @@ jobs:
           # shellcheck disable=SC2034
           # TODO: remove "containerimage.config.digest" fallback once all runners use buildx v0.18+
           # which replaced it with "containerimage.digest" and "containerimage.descriptor"
-          digest=$(jq -r '."static-builder-musl" | ${{ (fromJson(needs.prepare.outputs.push) && !matrix.debug && !matrix.mimalloc) && '."containerimage.digest"' || '(."containerimage.config.digest" // ."containerimage.digest")' }}' <<< "${METADATA}")
-          docker create --platform="${PLATFORM}" --name static-builder-musl "${{ (fromJson(needs.prepare.outputs.push) && !matrix.debug && !matrix.mimalloc) && '${IMAGE_NAME}@${digest}' || '${digest}' }}"
-          docker cp "static-builder-musl:/go/src/app/dist/${BINARY}" "${BINARY}${{ matrix.debug && '-debug' || '' }}${{ matrix.mimalloc && '-mimalloc' || '' }}"
+          digest=$(jq -r '."static-builder-musl" | ${{ (fromJson(needs.prepare.outputs.push) && !matrix.debug) && '."containerimage.digest"' || '(."containerimage.config.digest" // ."containerimage.digest")' }}' <<< "${METADATA}")
+          docker create --platform="${PLATFORM}" --name static-builder-musl "${{ (fromJson(needs.prepare.outputs.push) && !matrix.debug) && '${IMAGE_NAME}@${digest}' || '${digest}' }}"
+          docker cp "static-builder-musl:/go/src/app/dist/${BINARY}" "${BINARY}${{ matrix.debug && '-debug' || '' }}"
         env:
           METADATA: ${{ steps.build.outputs.metadata }}
           BINARY: frankenphp-linux-${{ matrix.platform == 'linux/amd64' && 'x86_64' || 'aarch64' }}
@@ -192,12 +188,12 @@ jobs:
         if: ${{ !fromJson(needs.prepare.outputs.push) }}
         uses: actions/upload-artifact@v6
         with:
-          name: frankenphp-linux-${{ matrix.platform == 'linux/amd64' && 'x86_64' || 'aarch64' }}${{ matrix.debug && '-debug' || '' }}${{ matrix.mimalloc && '-mimalloc' || '' }}
-          path: frankenphp-linux-${{ matrix.platform == 'linux/amd64' && 'x86_64' || 'aarch64' }}${{ matrix.debug && '-debug' || '' }}${{ matrix.mimalloc && '-mimalloc' || '' }}
+          name: frankenphp-linux-${{ matrix.platform == 'linux/amd64' && 'x86_64' || 'aarch64' }}${{ matrix.debug && '-debug' || '' }}
+          path: frankenphp-linux-${{ matrix.platform == 'linux/amd64' && 'x86_64' || 'aarch64' }}${{ matrix.debug && '-debug' || '' }}
           compression-level: 0
       - name: Upload assets
         if: fromJson(needs.prepare.outputs.push) && (needs.prepare.outputs.ref || github.ref_type == 'tag')
-        run: gh release upload "${REF}" frankenphp-linux-${{ matrix.platform == 'linux/amd64' && 'x86_64' || 'aarch64' }}${{ matrix.debug && '-debug' || '' }}${{ matrix.mimalloc && '-mimalloc' || '' }} --repo dunglas/frankenphp --clobber
+        run: gh release upload "${REF}" frankenphp-linux-${{ matrix.platform == 'linux/amd64' && 'x86_64' || 'aarch64' }}${{ matrix.debug && '-debug' || '' }} --repo dunglas/frankenphp --clobber
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           REF: ${{ (github.ref_type == 'tag' && github.ref_name) || needs.prepare.outputs.ref }}
@@ -216,7 +212,7 @@ jobs:
           "${BINARY}" list-modules | grep http.handlers.vulcain
           "${BINARY}" php-cli -r "echo 'Sanity check passed';"
         env:
-          BINARY: ./frankenphp-linux-${{ matrix.platform == 'linux/amd64' && 'x86_64' || 'aarch64' }}${{ matrix.debug && '-debug' || '' }}${{ matrix.mimalloc && '-mimalloc' || '' }}
+          BINARY: ./frankenphp-linux-${{ matrix.platform == 'linux/amd64' && 'x86_64' || 'aarch64' }}${{ matrix.debug && '-debug' || '' }}
 
   build-linux-gnu:
     permissions:
diff --git a/alpine.Dockerfile b/alpine.Dockerfile
index 31650af4c6..5b791295da 100644
--- a/alpine.Dockerfile
+++ b/alpine.Dockerfile
@@ -138,9 +138,11 @@ ENV GODEBUG=cgocheck=0
 
 # copy watcher shared library (libgcc and libstdc++ are needed for the watcher)
 COPY --from=builder /usr/local/lib/libwatcher* /usr/local/lib/
-RUN apk add --no-cache libstdc++ && \
+RUN apk add --no-cache libstdc++ mimalloc2 && \
 	ldconfig /usr/local/lib
 
+ENV LD_PRELOAD=/usr/lib/libmimalloc.so.2
+
 COPY --from=builder /usr/local/bin/frankenphp /usr/local/bin/frankenphp
 RUN setcap cap_net_bind_service=+ep /usr/local/bin/frankenphp && \
 	frankenphp version && \
diff --git a/build-static.sh b/build-static.sh
index 429c8376ef..71ee53825b 100755
--- a/build-static.sh
+++ b/build-static.sh
@@ -21,7 +21,7 @@ os="$(uname -s | tr '[:upper:]' '[:lower:]')"
 # - FRANKENPHP_VERSION: FrankenPHP version (default: current Git commit)
 # - EMBED: Path to the PHP app to embed (default: none)
 # - DEBUG_SYMBOLS: Enable debug symbols if set to 1 (default: none)
-# - MIMALLOC: Use mimalloc as the allocator if set to 1 (default: none)
+# - MIMALLOC: Use mimalloc as the allocator if set to 1 (default: none, used on musl-linux)
 # - XCADDY_ARGS: Additional arguments to pass to xcaddy
 # - RELEASE: [maintainer only] Create a GitHub release if set to 1 (default: none)
 
@@ -38,6 +38,9 @@ fi
 if [ -z "${SPC_LIBC}" ]; then
 	if [ "${os}" = "linux" ]; then
 		SPC_LIBC="musl"
+		if [ -z "${MIMALLOC}" ]; then
+			MIMALLOC=1
+		fi
 	fi
 fi
 # init spc build additional args
diff --git a/docs/docker.md b/docs/docker.md
index 99e2bb0f52..300f7d7384 100644
--- a/docs/docker.md
+++ b/docs/docker.md
@@ -277,6 +277,25 @@ WORKDIR /app
 ENTRYPOINT ["/usr/local/bin/frankenphp", "run", "-c", "/etc/caddy/Caddyfile"]
 ```
 
+## Mimalloc
+
+The Alpine Linux Docker images use [mimalloc](https://github.com/microsoft/mimalloc) as the default memory allocator.
+This improves performance compared to musl's default allocator in threaded environments.
+
+To disable mimalloc, unset the `LD_PRELOAD` environment variable:
+
+```dockerfile
+FROM dunglas/frankenphp:alpine
+
+ENV LD_PRELOAD=''
+```
+
+Or at runtime:
+
+```console
+docker run -e LD_PRELOAD= dunglas/frankenphp:alpine
+```
+
 ## Development Versions
 
 Development versions are available in the [`dunglas/frankenphp-dev`](https://hub.docker.com/repository/docker/dunglas/frankenphp-dev) Docker repository.
diff --git a/docs/performance.md b/docs/performance.md
index 5ca732d7f7..1a6cceeca2 100644
--- a/docs/performance.md
+++ b/docs/performance.md
@@ -41,9 +41,11 @@ especially when compiled in ZTS mode (thread-safe), which is required for Franke
 
 Also, [some bugs only happen when using musl](https://github.com/php/php-src/issues?q=sort%3Aupdated-desc+is%3Aissue+is%3Aopen+label%3ABug+musl).
 
-In production environments, we recommend using FrankenPHP linked against glibc, compiled with an appropriate optimization level.
+To mitigate musl's performance issues in threaded environments, the Alpine Docker images and static binaries use [mimalloc](https://github.com/microsoft/mimalloc) as the default memory allocator.
 
-This can be achieved by using the Debian Docker images, using [our maintainers .deb, .rpm, or .apk packages](https://pkgs.henderkes.com), or by [compiling FrankenPHP from sources](compile.md).
+In production environments, we still recommend using FrankenPHP linked against glibc, compiled with an appropriate optimization level.
+
+This can be achieved by using the Debian Docker images, using [our maintainers .deb or .rpm packages](https://pkgs.henderkes.com), or by [compiling FrankenPHP from sources](compile.md).
 
 For leaner or more secure containers, you may want to consider [a hardened Debian image](docker.md#hardening-images) rather than Alpine.
 
diff --git a/docs/static.md b/docs/static.md
index 516acb3e91..38f55beffc 100644
--- a/docs/static.md
+++ b/docs/static.md
@@ -27,10 +27,10 @@ docker buildx bake --load static-builder-musl
 docker cp $(docker create --name static-builder-musl dunglas/frankenphp:static-builder-musl):/go/src/app/dist/frankenphp-linux-$(uname -m) frankenphp ; docker rm static-builder-musl
 ```
 
-For better performance in heavily concurrent scenarios, consider using the [mimalloc](https://github.com/microsoft/mimalloc) allocator.
+The resulting binary will be using the [mimalloc](https://microsoft.github.io/mimalloc/) allocator for better performance. If you wish to use musl's built-in allocator, set `MIMALLOC=0`:
 
 ```console
-docker buildx bake --load --set static-builder-musl.args.MIMALLOC=1 static-builder-musl
+docker buildx bake --load --set static-builder-musl.args.MIMALLOC=0 static-builder-musl
 ```
 
 ### glibc-Based, Mostly Static Build (With Dynamic Extension Support)
@@ -126,7 +126,7 @@ script to customize the static build:
 - `CLEAN`: when set, libphp and all its dependencies are built from scratch (no cache)
 - `NO_COMPRESS`: don't compress the resulting binary using UPX
 - `DEBUG_SYMBOLS`: when set, debug-symbols will not be stripped and will be added to the binary
-- `MIMALLOC`: (experimental, Linux-only) replace musl's mallocng by [mimalloc](https://github.com/microsoft/mimalloc) for improved performance. We only recommend using this for musl targeting builds, for glibc prefer disabling this option and using [`LD_PRELOAD`](https://microsoft.github.io/mimalloc/overrides.html) when you run your binary instead.
+- `MIMALLOC`: (Linux-only, default to `1` for musl) use [mimalloc](https://github.com/microsoft/mimalloc) for improved performance. For glibc, we recommend using [`LD_PRELOAD`](https://microsoft.github.io/mimalloc/overrides.html) when you run your binary instead.
 - `RELEASE`: (maintainers only) when set, the resulting binary will be uploaded on GitHub
 
 ## Extensions
diff --git a/static-builder-musl.Dockerfile b/static-builder-musl.Dockerfile
index 673a2fc44f..7454f19db6 100644
--- a/static-builder-musl.Dockerfile
+++ b/static-builder-musl.Dockerfile
@@ -23,7 +23,7 @@ ENV SPC_CMD_VAR_FRANKENPHP_XCADDY_MODULES="${XCADDY_ARGS}"
 ARG CLEAN=''
 ARG EMBED=''
 ARG DEBUG_SYMBOLS=''
-ARG MIMALLOC=''
+ARG MIMALLOC=1
 ARG NO_COMPRESS=''
 
 ENV GOTOOLCHAIN=local