diff --git a/radioconda.yaml b/radioconda.yaml
index ced114f..6c01213 100644
--- a/radioconda.yaml
+++ b/radioconda.yaml
@@ -19,6 +19,7 @@ dependencies:
   - codec2
   - gnuradio 3.10.*
   - gnuradio-fosphor
+  - gnuradio-gpredict-doppler
   - gnuradio-inspector # [aarch64]
   - gnuradio-inspector # [arm64]
   - gnuradio-inspector # [linux64]