diff --git a/recipes/rmats/meta.yaml b/recipes/rmats/meta.yaml
index 4ae4f2d4d6aa7..cc52195ce7d06 100644
--- a/recipes/rmats/meta.yaml
+++ b/recipes/rmats/meta.yaml
@@ -10,7 +10,7 @@ source:
   url: https://github.com/Xinglab/rmats-turbo/releases/download/v{{ version }}/rmats_turbo_v{{ version|replace(".","_") }}.tar.gz
 
 build:
-  number: 2
+  number: 3
   run_exports:
     - {{ pin_subpackage(name, max_pin="x") }}
 
@@ -26,14 +26,14 @@ requirements:
     - python
     - cython
     - numpy
-    - gsl
+    - gsl=2.5
     - zlib
     - libblas
     - liblapack
   run:
     - python
     - numpy
-    - gsl
+    - gsl=2.5
     - zlib
     - star >=2.5
 
@@ -50,4 +50,4 @@ about:
 
 extra:
   additional-platforms:
-    - linux-aarch64
\ No newline at end of file
+    - linux-aarch64