diff --git a/bob/devtools/bootstrap.py b/bob/devtools/bootstrap.py
index 48b02d0500280530e16b8273dd1493a510a174b0..249cde3da55486c27c5ef95c25df0142665570eb 100644
--- a/bob/devtools/bootstrap.py
+++ b/bob/devtools/bootstrap.py
@@ -386,7 +386,7 @@ if __name__ == '__main__':
   with open(condarc, 'wt') as f:
     f.write(_BASE_CONDARC)
 
-  conda_version = '4.16'
+  conda_version = '4.6'
   conda_build_version = '3.16'
   conda_verify_version = '3'
 
diff --git a/conda/meta.yaml b/conda/meta.yaml
index 32f98885ca8afee19663d8f56fe336d36aee80f1..58fe18f9b56d5f807ad38ca3d4ece8d8884cdac6 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -30,7 +30,7 @@ requirements:
     - setuptools
     - click >=7
     - click-plugins
-    - conda=4.16
+    - conda=4.6
     - conda-build=3.16
     - conda-verify=3
     - certifi