diff --git a/radioconda.yaml b/radioconda.yaml
index 2b70b2a..7600c46 100644
--- a/radioconda.yaml
+++ b/radioconda.yaml
@@ -14,7 +14,7 @@ dependencies:
   - airspyhf
   - digital_rf
   - codec2
-  - gnuradio
+  - gnuradio 3.9.*
   - gnuradio-iridium
   - gnuradio-osmosdr
   - gnuradio-satellites