diff --git a/workflow/envs/sleuth.yaml b/workflow/envs/sleuth.yaml
index 679c955..de38331 100644
--- a/workflow/envs/sleuth.yaml
+++ b/workflow/envs/sleuth.yaml
@@ -4,11 +4,11 @@ channels:
   - bioconda
 dependencies:
   - "r-base>=4.0.0"
-  - "r-sleuth>=0.30"
-  - "r-tidyverse>=1.2.1"
-  - "r-data.table>=1.12.2"
-  - "r-ggrepel>=0.8.2"
-  - "r-openxlsx>=4.1.0"
-  - "r-glue>=1.3.1"
-  - "r-rcolorbrewer>=1.1_2"
-  - "bioconductor-enhancedvolcano>=1.4.0"
\ No newline at end of file
+  - "r-sleuth=0.30"
+  - "r-tidyverse=1.3.1"
+  - "r-data.table=1.14.0"
+  - "r-ggrepel=0.9.1"
+  - "r-openxlsx=4.2.3"
+  - "r-glue=1.4.2"
+  - "r-rcolorbrewer=1.1_2"
+  - "bioconductor-enhancedvolcano=1.8.0"
\ No newline at end of file