diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 42a72882d3..d00cc607e4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -295,7 +295,6 @@ jobs:
         curl -LO https://raw.githubusercontent.com/GiovanniBussi/conda-ci/master/conda-ci
         source ./conda-ci install
         source ./conda-ci install-conda-build
-        conda install "conda-build<4"
     - name: Build PLUMED
       run: |
         source activate base