diff --git a/docs/source/changelog.rst b/docs/source/changelog.rst
index 834843aa2e..52e6ad2bf6 100644
--- a/docs/source/changelog.rst
+++ b/docs/source/changelog.rst
@@ -190,9 +190,9 @@ UNRELEASED
 
 * The test utils in ``Expect.kt``, ``SerializationTestHelpers.kt``, ``TestConstants.kt`` and ``TestUtils.kt`` have moved
   from the ``net.corda.testing`` package to the ``net.corda.testing.core`` package, and ``FlowStackSnapshot.kt`` has moved to the
-  ``net.corda.testing.services`` package. Moving items out of the ``net.corda.testing.*`` package will help make it clearer which
-  parts of the api are stable. The bash script ``tools\scripts\update-test-packages.sh`` can be used to smooth the upgrade
-  process for existing projects.
+  ``net.corda.testing.services`` package. Moving existing classes out of the ``net.corda.testing.*`` package
+  will help make it clearer which parts of the api are stable. Scripts have been provided to smooth the upgrade
+  process for existing projects in the ``tools\scripts`` directory of the Corda repo.
 
 .. _changelog_v1:
 
diff --git a/tools/scripts/upgrade-test-packages.ps1 b/tools/scripts/upgrade-test-packages.ps1
new file mode 100644
index 0000000000..79028809a2
--- /dev/null
+++ b/tools/scripts/upgrade-test-packages.ps1
@@ -0,0 +1,4 @@
+Get-ChildItem $args[0] -Include *.kt, *.java -Recurse |
+Foreach-Object {
+	(Get-Content $_.FullName) -replace 'net.corda.testing.(\*|generateStateRef|freeLocalHostAndPort|getFreeLocalPorts|getTestPartyAndCertificate|TestIdentity|chooseIdentity|singleIdentity|TEST_TX_TIME|DUMMY_NOTARY_NAME|DUMMY_BANK_A_NAME|DUMMY_BANK_B_NAME|DUMMY_BANK_C_NAME|BOC_NAME|ALICE_NAME|BOB_NAME|CHARLIE_NAME|DEV_INTERMEDIATE_CA|DEV_ROOT_CA|dummyCommand|DummyCommandData|MAX_MESSAGE_SIZE|SerializationEnvironmentRule|setGlobalSerialization|expect|sequence|parallel|replicate|genericExpectEvents)', 'net.corda.testing.core.$1' -replace 'net.corda.testing.FlowStackSnapshotFactoryImpl', 'net.corda.testing.services.FlowStackSnapshotFactoryImpl' -join "`r`n" | Set-Content -NoNewline -Force $_.FullName
+}
\ No newline at end of file