diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9970ded7..56a6b86d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ on:
       - '*.md'
     branches:
       - master
-    pull_requests:
+    pull_request:
 
 jobs:
   scala:
diff --git a/README.md b/README.md
index a5e98e29..c2a063f4 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,8 @@
 [![Gitter](https://img.shields.io/gitter/room/scoverage/scoverage.svg)](https://gitter.im/scoverage/scoverage)
 [![Maven Central](https://img.shields.io/maven-central/v/org.scoverage/scalac-scoverage-plugin_2.10.svg?label=latest%20release%20for%202.10)](http://search.maven.org/#search|ga|1|g%3A%22org.scoverage%22%20AND%20a%3A%22scalac-scoverage-plugin_2.10%22)
 [![Maven Central](https://img.shields.io/maven-central/v/org.scoverage/scalac-scoverage-plugin_2.11.svg?label=latest%20release%20for%202.11)](http://search.maven.org/#search|ga|1|g%3A%22org.scoverage%22%20AND%20a%3A%22scalac-scoverage-plugin_2.11%22)
-[![Maven Central](https://img.shields.io/maven-central/v/org.scoverage/scalac-scoverage-plugin_2.12.13.svg?label=latest%202.12%20Scala%20support%20[2.12.13]%sand%20latest%20version)](http://search.maven.org/#search|ga|1|g%3A%22org.scoverage%22%20AND%20a%3A%22scalac-scoverage-plugin_2.12.13%22)
-[![Maven Central](https://img.shields.io/maven-central/v/org.scoverage/scalac-scoverage-plugin_2.13.5svg?label=latest%202.13%20Scala%20support%20[2.13.5]%20and%20version)](http://search.maven.org/#search|ga|1|g%3A%22org.scoverage%22%20AND%20a%3A%22scalac-scoverage-plugin_2.13.5%22)
+[![Maven Central](https://img.shields.io/maven-central/v/org.scoverage/scalac-scoverage-plugin_2.12.13.svg?label=latest%202.12%20Scala%20support%20[2.12.13]%20and%20latest%20version)](http://search.maven.org/#search|ga|1|g%3A%22org.scoverage%22%20AND%20a%3A%22scalac-scoverage-plugin_2.12.13%22)
+[![Maven Central](https://img.shields.io/maven-central/v/org.scoverage/scalac-scoverage-plugin_2.13.5.svg?label=latest%202.13%20Scala%20support%20[2.13.5]%20and%20version)](http://search.maven.org/#search|ga|1|g%3A%22org.scoverage%22%20AND%20a%3A%22scalac-scoverage-plugin_2.13.5%22)
 
 [![License](http://img.shields.io/:license-Apache%202-red.svg)](http://www.apache.org/licenses/LICENSE-2.0.txt)
 
@@ -23,10 +23,14 @@ you covered and non-covered statements, along with an upload to coveralls.
 
 ### Release History
 
+##### 1st May 2021 - 1.4.4
+
+* Add support for legacy Scala versions 2.12.9 and 2.12.8
+
 ##### 28th April 2021 - 1.4.3
 
 * Added Scala 2.12.13+, 2.13.5+ support
-* All versions are now cross built with the full scala version (instead of binary only)
+* All versions are now cross built with the full Scala version (instead of binary only)
 
 ##### 12th June 2019 - 1.4.0
 
diff --git a/bin/test-release.sh b/bin/test-release.sh
new file mode 100755
index 00000000..979216a1
--- /dev/null
+++ b/bin/test-release.sh
@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+set -eux
+
+version=$1
+
+coursier fetch \
+  org.scoverage:scalac-scoverage-plugin_2.12.8:$version \
+  org.scoverage:scalac-scoverage-plugin_2.12.9:$version \
+  org.scoverage:scalac-scoverage-plugin_2.12.10:$version \
+  org.scoverage:scalac-scoverage-plugin_2.12.11:$version \
+  org.scoverage:scalac-scoverage-plugin_2.12.12:$version \
+  org.scoverage:scalac-scoverage-plugin_2.13.0:$version \
+  org.scoverage:scalac-scoverage-plugin_2.13.1:$version \
+  org.scoverage:scalac-scoverage-plugin_2.13.2:$version \
+  org.scoverage:scalac-scoverage-plugin_2.13.3:$version \
+  org.scoverage:scalac-scoverage-plugin_2.13.4:$version \
+  org.scoverage:scalac-scoverage-plugin_2.13.5:$version \
+  org.scoverage:scalac-scoverage-plugin_2.13.5:$version \
+  org.scoverage:scalac-scoverage-runtime_2.12.8:$version \
+  org.scoverage:scalac-scoverage-runtime_2.12.9:$version \
+  org.scoverage:scalac-scoverage-runtime_2.12.10:$version \
+  org.scoverage:scalac-scoverage-runtime_2.12.11:$version \
+  org.scoverage:scalac-scoverage-runtime_2.12.12:$version \
+  org.scoverage:scalac-scoverage-runtime_2.13.0:$version \
+  org.scoverage:scalac-scoverage-runtime_2.13.1:$version \
+  org.scoverage:scalac-scoverage-runtime_2.13.2:$version \
+  org.scoverage:scalac-scoverage-runtime_2.13.3:$version \
+  org.scoverage:scalac-scoverage-runtime_2.13.4:$version \
+  org.scoverage:scalac-scoverage-runtime_2.13.5:$version \
+  org.scoverage:scalac-scoverage-runtime_2.13.5:$version \
+  org.scoverage:scalac-scoverage-runtime_sjs1_2.12.8:$version \
+  org.scoverage:scalac-scoverage-runtime_sjs1_2.12.9:$version \
+  org.scoverage:scalac-scoverage-runtime_sjs1_2.12.10:$version \
+  org.scoverage:scalac-scoverage-runtime_sjs1_2.12.11:$version \
+  org.scoverage:scalac-scoverage-runtime_sjs1_2.12.12:$version \
+  org.scoverage:scalac-scoverage-runtime_sjs1_2.13.0:$version \
+  org.scoverage:scalac-scoverage-runtime_sjs1_2.13.1:$version \
+  org.scoverage:scalac-scoverage-runtime_sjs1_2.13.2:$version \
+  org.scoverage:scalac-scoverage-runtime_sjs1_2.13.3:$version \
+  org.scoverage:scalac-scoverage-runtime_sjs1_2.13.4:$version \
+  org.scoverage:scalac-scoverage-runtime_sjs1_2.13.5:$version \
+  org.scoverage:scalac-scoverage-runtime_sjs1_2.13.5:$version
diff --git a/build.sbt b/build.sbt
index e981849c..9f827919 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,7 +1,7 @@
 import sbtcrossproject.CrossProject
 import sbtcrossproject.CrossType
 
-def localSnapshotVersion = "1.4.4-SNAPSHOT"
+def localSnapshotVersion = "1.4.5-SNAPSHOT"
 def isCI = System.getenv("CI") != null
 
 val ScalatestVersion = "3.1.1"