diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index 58766e3f938..70993055b7c 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -4,6 +4,7 @@ env:
   GALAXY_FORK: galaxyproject
   GALAXY_BRANCH: release_21.09
   MAX_CHUNKS: 4
+  MAX_FILE_SIZE: 500k
 concurrency:
   # group runs by PR, but keep runs on master separate
   # because we do not want to cancel toolshed uploads
@@ -215,6 +216,35 @@ jobs:
         name: 'R linting output'
         path: rlint_report.txt
 
+  file_sizes:
+    name: Check file sizes
+    needs: setup
+    if: ${{ github.event_name == 'pull_request' && needs.setup.outputs.repository-list != '' }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 1
+    - name: Save repositories to file
+      run: echo '${{ needs.setup.outputs.repository-list }}' > repository_list.txt
+    - name: Check file sizes
+      run: |
+        while read repo; do
+          find "$repo" -size +${{ env.MAX_FILE_SIZE }}
+        done < repository_list.txt > file_size_report.txt
+        if [[ -s file_size_report.txt ]]; then
+          echo "Files larger than ${{ env.MAX_FILE_SIZE }} found"
+          cat file_size_report.txt
+          exit 1
+        fi
+    - uses: actions/upload-artifact@v2
+      if: ${{ failure() }}
+      with:
+        name: 'File size report'
+        path: file_size_report.txt
+
   # Planemo test the changed repositories, each chunk creates an artifact
   # containing HTML and JSON reports for the executed tests
   test:
diff --git a/tools/artic/artic_guppyplex.xml b/tools/artic/artic_guppyplex.xml
index 61b6c6ac628..77e4fa6d1e1 100644
--- a/tools/artic/artic_guppyplex.xml
+++ b/tools/artic/artic_guppyplex.xml
@@ -1,4 +1,4 @@
-<tool id="artic_guppyplex" name="ARTIC guppyplex" version="@PACKAGE_VERSION@+galaxy0" profile="20.09">
+<tool id="artic_guppyplex" name="ARTIC guppyplex" version="@PACKAGE_VERSION@+galaxy1" profile="20.09">
     <description>Filter Nanopore reads by read length and (optionally) quality</description>
     <macros>
         <import>macros.xml</import>
@@ -47,4 +47,4 @@
         .. _ARTIC: https://artic.readthedocs.io/en/latest/
     ]]></help>
     <expand macro="citations" />
-</tool>
\ No newline at end of file
+</tool>
diff --git a/tools/gatk4/macros.xml b/tools/gatk4/macros.xml
index b50db04faf4..3ca76a79308 100644
--- a/tools/gatk4/macros.xml
+++ b/tools/gatk4/macros.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <macros>
     <token name="@VERSION@">4.1.7.0</token>
-    <token name="@WRAPPER_VERSION@">@VERSION@+galaxy0</token>
+    <token name="@WRAPPER_VERSION@">@VERSION@+galaxy1</token>
 
     <xml name="requirements">
         <requirements>