diff --git a/README.md b/README.md
index aa656a4..8bfb834 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ add SequenceVariation
 
 ## Testing
 
-SequenceVariation is tested against Julia `1.X` on Linux, OS X, and Windows.
+SequenceVariation is tested against Julia `1.6` (LTS), `1.X` (release) and nightly on Linux.
 
 **Latest build status:**
 
diff --git a/docs/src/index.md b/docs/src/index.md
index f8d1cea..756e833 100644
--- a/docs/src/index.md
+++ b/docs/src/index.md
@@ -23,7 +23,7 @@ add SequenceVariation
 
 ## Testing
 
-SequenceVariation is tested against Julia `1.X` on Linux, OS X, and Windows.
+SequenceVariation is tested against Julia `1.6` (LTS), `1.X` (release) and nightly on Linux.
 
 **Latest build status:**