diff --git a/.github/workflows/osrm-backend.yml b/.github/workflows/osrm-backend.yml
index d6036b06a..e03568262 100644
--- a/.github/workflows/osrm-backend.yml
+++ b/.github/workflows/osrm-backend.yml
@@ -44,6 +44,9 @@ jobs:
         echo PUBLISH=$([[ "${GITHUB_REF:-}" == "refs/tags/v${PACKAGE_JSON_VERSION}" ]] && echo "On" || echo "Off") >> $GITHUB_ENV
     - run: npm install --ignore-scripts
     - run: npm link --ignore-scripts
+    - name: Install zlib
+      run: |
+        choco install zlib
     - name: Build
       shell: bash
       run: |
diff --git a/conanfile.py b/conanfile.py
index 384a146cc..1fb98a2e9 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -8,8 +8,7 @@ class OsrmConan(ConanFile):
         "bzip2/1.0.8",
         "expat/2.6.2",
         "lua/5.4.6",
-        "onetbb/2021.12.0",
-        "zlib/1.3.1"
+        "onetbb/2021.12.0"
     )
     generators = "CMakeDeps"