diff --git a/BuildTools/appveyor-ilspycmd-install.ps1 b/BuildTools/appveyor-ilspycmd-install.ps1
index 41691695a..0d549c7a7 100644
--- a/BuildTools/appveyor-ilspycmd-install.ps1
+++ b/BuildTools/appveyor-ilspycmd-install.ps1
@@ -3,6 +3,9 @@ $ErrorActionPreference = "Stop"
 $baseCommit = "e17b4bfedf4dc747b105396224cd726bdca500ad";
 $baseCommitRev = 1;
 
+# make sure this matches artifacts-only branches list in appveyor.yml!
+$masterBranches = '^(master|release/.+)$';
+
 $globalAssemblyInfoTemplateFile = "ILSpy/Properties/AssemblyInfo.template.cs";
 
 $versionParts = @{};
@@ -18,10 +21,10 @@ if ($versionName -ne "null") {
 } else {
     $versionName = "";
 }
-if ($env:APPVEYOR_REPO_BRANCH -ne 'master') {
-	$branch = "-$env:APPVEYOR_REPO_BRANCH";
-} else {
+if ($env:APPVEYOR_REPO_BRANCH -match $masterBranches) {
 	$branch = "";
+} else {
+	$branch = "-$env:APPVEYOR_REPO_BRANCH";
 }
 
 $revision = [Int32]::Parse((git rev-list --count "$baseCommit..HEAD")) + $baseCommitRev;
diff --git a/BuildTools/appveyor-install.ps1 b/BuildTools/appveyor-install.ps1
index 0b922deb8..a69ff0732 100644
--- a/BuildTools/appveyor-install.ps1
+++ b/BuildTools/appveyor-install.ps1
@@ -3,8 +3,8 @@ $ErrorActionPreference = "Stop"
 $baseCommit = "d779383cb85003d6dabeb976f0845631e07bf463";
 $baseCommitRev = 1;
 
-# make sure this list matches artifacts-only branches list in appveyor.yml!
-$masterBranches = @("master", "5.0.x");
+# make sure this matches artifacts-only branches list in appveyor.yml!
+$masterBranches = '^(master|release/.+)$';
 
 $globalAssemblyInfoTemplateFile = "ILSpy/Properties/AssemblyInfo.template.cs";
 
@@ -21,7 +21,7 @@ if ($versionName -ne "null") {
 } else {
     $versionName = "";
 }
-if ($masterBranches -contains $env:APPVEYOR_REPO_BRANCH) {
+if ($env:APPVEYOR_REPO_BRANCH -match $masterBranches) {
 	$branch = "";
 } else {
 	$branch = "-$env:APPVEYOR_REPO_BRANCH";
diff --git a/BuildTools/pipelines-install.ps1 b/BuildTools/pipelines-install.ps1
index 4e3dda35e..718e13f0e 100644
--- a/BuildTools/pipelines-install.ps1
+++ b/BuildTools/pipelines-install.ps1
@@ -3,8 +3,8 @@ $ErrorActionPreference = "Stop"
 $baseCommit = "d779383cb85003d6dabeb976f0845631e07bf463";
 $baseCommitRev = 1;
 
-# make sure this list matches artifacts-only branches list in azure-pipelines.yml!
-$masterBranches = @("master", "5.0.x");
+# make sure this matches artifacts-only branches list in appveyor.yml!
+$masterBranches = '^(master|release/.+)$';
 
 $globalAssemblyInfoTemplateFile = "ILSpy/Properties/AssemblyInfo.template.cs";
 
@@ -21,7 +21,7 @@ if ($versionName -ne "null") {
 } else {
     $versionName = "";
 }
-if ($masterBranches -contains $env:BUILD_SOURCEBRANCHNAME) {
+if ($env:BUILD_SOURCEBRANCHNAME -match $masterBranches) {
 	$branch = "";
 } else {
 	$branch = "-$env:BUILD_SOURCEBRANCHNAME";
diff --git a/BuildTools/update-assemblyinfo.ps1 b/BuildTools/update-assemblyinfo.ps1
index dbfa5f911..f7fa079b1 100644
--- a/BuildTools/update-assemblyinfo.ps1
+++ b/BuildTools/update-assemblyinfo.ps1
@@ -3,8 +3,8 @@
 $baseCommit = "d779383cb85003d6dabeb976f0845631e07bf463";
 $baseCommitRev = 1;
 
-# make sure this list matches artifacts-only branches list in appveyor.yml!
-$masterBranches = @("master", "5.0.x");
+# make sure this matches artifacts-only branches list in appveyor.yml!
+$masterBranches = '^(master|release/.+)$';
 
 $globalAssemblyInfoTemplateFile = "ILSpy/Properties/AssemblyInfo.template.cs";
 
@@ -112,7 +112,7 @@ try {
     $branchName = gitBranch;
     $gitCommitHash = gitCommitHash;
 
-    if ($masterBranches -contains $branchName) {
+    if ($branchName -match $masterBranches) {
         $postfixBranchName = "";
     } else {
         $postfixBranchName = "-$branchName";
diff --git a/appveyor.yml b/appveyor.yml
index 7bc77bb58..8b9b0dd07 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -45,7 +45,7 @@ for:
 - branches:
     only:
       - master
-      - 5.0.x
+      - /release\/*/
   artifacts:
     - path: ILSpy_binaries.zip
       name: ILSpy %APPVEYOR_REPO_BRANCH% %ILSPY_VERSION_NUMBER% binaries
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index e45b45d2d..a17e464da 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -1,10 +1,10 @@
 trigger:
 - master
-- 5.0.x
+- release/*
 
 pr:
 - master
-- 5.0.x
+- release/*
 
 variables:
   DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true