diff --git a/_ci/before_build.sh b/_ci/before_build.sh
index 1061a4014eb8b6cbe245f2ac71eab8374188de74..d9c5c006ba25f89838ea1fd35a29041c06789309 100755
--- a/_ci/before_build.sh
+++ b/_ci/before_build.sh
@@ -25,7 +25,7 @@ echo "Contents of \`${CONDARC}':"
 cat ${CONDARC}
 
 # updates conda installation
-run_cmd ${CONDA_ROOT}/bin/conda install python conda=4 curl conda-build=3
+run_cmd ${CONDA_ROOT}/bin/conda install python conda=4 conda-build=3
 
 # cleans up
 run_cmd ${CONDA_ROOT}/bin/conda clean --lock