diff --git a/conda/build.sh b/conda/build.sh
index a16859085f..77c9d54e8f 100644
--- a/conda/build.sh
+++ b/conda/build.sh
@@ -41,4 +41,4 @@ cmake -G Ninja \
 
 ninja
 
-ninja install -j 2
+ninja install -j 1