diff --git a/bob/devtools/bootstrap.py b/bob/devtools/bootstrap.py
index d02b00d8a1249845025009ced42847506736a54d..0f91e4c99107cae490ef7e43fc1351be493e8581 100644
--- a/bob/devtools/bootstrap.py
+++ b/bob/devtools/bootstrap.py
@@ -510,8 +510,8 @@ if __name__ == "__main__":
 
     conda_version = "4"
     conda_build_version = "3"
-    mamba_version = "0.15"
-    boa_version = "0.6"
+    mamba_version = "0.21"
+    boa_version = "0.9"
 
     conda_verbosity = []
     # if args.verbose >= 2:
diff --git a/conda/meta.yaml b/conda/meta.yaml
index bb96f583505ced027b6c0a8bb9b1acd297d13bd6..fbcf008ce8c5d20820f7a6f9c0f1f2d143aded25 100644
--- a/conda/meta.yaml
+++ b/conda/meta.yaml
@@ -33,8 +33,8 @@ requirements:
     - click-plugins
     - conda=4
     - conda-build=3
-    - mamba=0.15
-    - boa=0.6
+    - mamba=0.21
+    - boa=0.9
     - certifi
     - docformatter
     - git  # [linux]