diff --git a/envs/merylMerq_2.yaml b/envs/merylMerq_2.yaml
index b7713fe7d8eaf65a2554dc001268a9fbf7a89d47..9d7c900eb521cdc2bc44ab33a37e91e3584feda2 100644
--- a/envs/merylMerq_2.yaml
+++ b/envs/merylMerq_2.yaml
@@ -9,8 +9,8 @@ dependencies:
   - cairo == 1.16
   - openjdk == 11.0.13
   - r-argparse == 2.1.5
-  - r-base == 4.1.3
-  - r-ggplot2 == 3.3.5
+  - r-base >=4.0,<4.1.0a0
+  - r-ggplot2=3.3.2=r40hc72bb7e_1
   - r-scales == 1.2.0
   - samtools == 1.15.1
   - xorg-libxrender == 0.9.10