diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 185dacd4..72a6578d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -72,7 +72,7 @@ jobs:
     - name: Install Conan Packages
       shell: pwsh
       run: |
-        pip install conan
+        pip install "conan<2.0"
         conan profile new default --detect
         conan install ./source/ `
           --remote conancenter `
diff --git a/tools/setup-common.bat b/tools/setup-common.bat
index fb15e9a7..3f6a1dc8 100644
--- a/tools/setup-common.bat
+++ b/tools/setup-common.bat
@@ -1,4 +1,4 @@
-pip install conan
+pip install "conan<2.0"
 pip install geopandas
 pip install GitPython
 pip install sphinx