diff --git a/sar-training-stack.txt b/sar-training-stack.txt
index 5736534fa71d521b94687942875ad18a7e32084f..a0a99037a07d0d1d112fcef84ecd1a63e993a763 100644
--- a/sar-training-stack.txt
+++ b/sar-training-stack.txt
@@ -1,4 +1,4 @@
-numpy=1.19.1
-scipy=1.5.2
-matplotlib=3.3.1
+numpy==1.19.1
+scipy==1.5.2
+matplotlib==3.3.1
 geopandas