diff --git a/.builds/test.yml b/.builds/test.yml
index 7bb6dd49..446d1f25 100644
--- a/.builds/test.yml
+++ b/.builds/test.yml
@@ -16,5 +16,4 @@ tasks:
   - test: |
       cd jay
       export RUST_BACKTRACE=1
-      export GALLIUM_DRIVER=softpipe
       ./target/debug/jay run-tests
diff --git a/src/it/tests/t0039_alpha_modifier.rs b/src/it/tests/t0039_alpha_modifier.rs
index dc567abb..eb7f85f6 100644
--- a/src/it/tests/t0039_alpha_modifier.rs
+++ b/src/it/tests/t0039_alpha_modifier.rs
@@ -45,9 +45,9 @@ async fn test(run: Rc<TestRun>) -> TestResult {
 
     client.compare_screenshot("1", false).await?;
 
-    alpha1.set_multiplier(0.5)?;
+    alpha1.set_multiplier(0.51)?;
     ss1.commit()?;
-    alpha2.set_multiplier(0.5)?;
+    alpha2.set_multiplier(0.51)?;
     ss2.commit()?;
 
     client.compare_screenshot("2", false).await?;
diff --git a/src/it/tests/t0039_alpha_modifier/screenshot_2.qoi b/src/it/tests/t0039_alpha_modifier/screenshot_2.qoi
index 5654c4fd..bf8d4036 100644
Binary files a/src/it/tests/t0039_alpha_modifier/screenshot_2.qoi and b/src/it/tests/t0039_alpha_modifier/screenshot_2.qoi differ