diff --git a/conda.recipe/recipe.yaml b/conda.recipe/recipe.yaml
index 990cb75..ddfdd25 100644
--- a/conda.recipe/recipe.yaml
+++ b/conda.recipe/recipe.yaml
@@ -29,7 +29,7 @@ requirements:
     - bioconductor-iranges >=2.36.0,<2.37.0
     - bioconductor-rtracklayer >=1.62.0,<1.63.0
     - bioconductor-s4vectors >=0.40.0,<0.41.0
-    - r-base
+    - r-base <3.0.0
     - r-mass
     - libblas
     - liblapack
@@ -40,7 +40,7 @@ requirements:
     - bioconductor-iranges >=2.36.0,<2.37.0
     - bioconductor-rtracklayer >=1.62.0,<1.63.0
     - bioconductor-s4vectors >=0.40.0,<0.41.0
-    - r-base
+    - r-base <3.0.0
     - r-mass
   build:
     - ${{ compiler('c') }}