diff --git a/crates/zed/assets/themes/black.toml b/crates/zed/assets/themes/black.toml
index 48b9abe6cc..a197673f67 100644
--- a/crates/zed/assets/themes/black.toml
+++ b/crates/zed/assets/themes/black.toml
@@ -7,7 +7,7 @@ extends = "_base"
 
 [border]
 0 = "#000000B2"
-1 = "#FFFFFF4A"
+1 = "#FFFFFF20"
 
 [text]
 0 = { extends = "$text.base", color = "#ffffff" }
diff --git a/crates/zed/assets/themes/dark.toml b/crates/zed/assets/themes/dark.toml
index 8f25a634e6..9450d22641 100644
--- a/crates/zed/assets/themes/dark.toml
+++ b/crates/zed/assets/themes/dark.toml
@@ -7,7 +7,7 @@ extends = "_base"
 
 [border]
 0 = "#1B222B"
-1 = "#FFFFFF4A"
+1 = "#FFFFFF20"
 
 [text]
 0 = { extends = "$text.base", color = "#FFFFFF" }