diff --git a/commit-assemblyinfo-changes.ps1 b/commit-assemblyinfo-changes.ps1
index 7991a2e0..59dbef7d 100644
--- a/commit-assemblyinfo-changes.ps1
+++ b/commit-assemblyinfo-changes.ps1
@@ -18,6 +18,12 @@ else
     
     'Updated assembly info...' | Write-Host -ForegroundColor White -NoNewline
     'OK' | Write-Host -ForegroundColor Green
+}
+
+# update assembly info in nf-interpreter if we are in development branch or if this is tag (master OR release)
+if ($env:APPVEYOR_REPO_BRANCH -match "^dev*" -or $env:APPVEYOR_REPO_TAG -eq "true")
+{
+    'Updating assembly version in nf-interpreter...' | Write-Host -ForegroundColor White -NoNewline
 
     # clone nf-interpreter repo (only a shallow clone with last commit)
     git clone https://github.com/nanoframework/nf-interpreter -b develop --depth 1 -q
@@ -57,7 +63,7 @@ else
 
         # commit changes
         git add -A 2>&1
-        git commit -m"$commitMessage" -m"[version update]" -q
+        git commit -m"$commitMessage [skip ci]" -m"[version update]" -q
         git push --set-upstream origin "$newBranch" --porcelain -q > $null
     
         # start PR
diff --git a/generate-change-log.ps1 b/generate-change-log.ps1
index bacb255a..a9d33954 100644
--- a/generate-change-log.ps1
+++ b/generate-change-log.ps1
@@ -1,3 +1,6 @@
+# Copyright (c) 2018 The nanoFramework project contributors
+# See LICENSE file in the project root for full license information.
+
 # generate change log when build is NOT a pull-request or not a tag (master OR release)
 if ($env:appveyor_pull_request_number -or 
     ($env:APPVEYOR_REPO_BRANCH -eq "master" -and $env:APPVEYOR_REPO_TAG -eq 'true') -or
diff --git a/update-dependencies.ps1 b/update-dependencies.ps1
index 340477e8..207886bd 100644
--- a/update-dependencies.ps1
+++ b/update-dependencies.ps1
@@ -169,7 +169,10 @@ else
             git push --set-upstream origin $newBranchName --porcelain -q
 
             # start PR
-            $prRequestBody = @{title="$prTitle";body="$commitMessage";head="$newBranchName";base="$env:APPVEYOR_REPO_BRANCH"} | ConvertTo-Json
+            # we are hardcoding to develop branch to have a fixed one
+            # this is very important for tags (which don't have branch information)
+            # considering that the base branch can be changed at the PR ther is no big deal about this 
+            $prRequestBody = @{title="$prTitle";body="$commitMessage";head="$newBranchName";base="develop"} | ConvertTo-Json
             $githubApiEndpoint = "https://api.github.com/repos/nanoframework/$library/pulls"
             [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12