diff --git a/.github/bump_k3s_versions.sh b/.github/bump_k3s_versions.sh
index 6c9c0a5..565d033 100755
--- a/.github/bump_k3s_versions.sh
+++ b/.github/bump_k3s_versions.sh
@@ -1,6 +1,18 @@
 #!/bin/bash
 
-versions=$(curl https://update.k3s.io/v1-release/channels | jq -rc '.data[] | select(.type == "channel") | select(.name | test("testing") | not) | .latest')
+# Compares two semantic versions. True if the first is lower or equal to the second.
+# https://stackoverflow.com/a/4024263
+verlte() {
+    [  "$1" = "$(echo -e "$1\n$2" | sort -V | head -n1)" ]
+}
+
+versions=($(curl https://update.k3s.io/v1-release/channels | jq -rc '.data[] | select(.type == "channel") | select(.name | test("testing") | not) | .latest'))
+
+# Filter only versions above v1.20.0 (https://stackoverflow.com/a/40375567)
+for index in "${!versions[@]}" ; do
+    (verlte ${versions[$index]} v1.20.0) && unset -v 'versions[$index]'
+done
+versions="${versions[@]}"
 
 amd64_flavor=("opensuse" "alpine" "ubuntu" "ubuntu-20-lts" "ubuntu-22-lts" "fedora")
 arm64_flavor=("opensuse-arm-rpi" "alpine-arm-rpi")
@@ -20,4 +32,4 @@ for row in $versions; do
 done
 
 echo $releases_arm | jq  > releases-arm.json
-echo $releases | jq > releases.json
\ No newline at end of file
+echo $releases | jq > releases.json
diff --git a/releases-arm.json b/releases-arm.json
index b012785..75c1431 100644
--- a/releases-arm.json
+++ b/releases-arm.json
@@ -19,46 +19,6 @@
     "model": "rpi64",
     "k3s_version": "v1.25.3+k3s1"
   },
-  {
-    "flavor": "opensuse-arm-rpi",
-    "model": "rpi64",
-    "k3s_version": "v1.16.15+k3s1"
-  },
-  {
-    "flavor": "alpine-arm-rpi",
-    "model": "rpi64",
-    "k3s_version": "v1.16.15+k3s1"
-  },
-  {
-    "flavor": "opensuse-arm-rpi",
-    "model": "rpi64",
-    "k3s_version": "v1.17.17+k3s1"
-  },
-  {
-    "flavor": "alpine-arm-rpi",
-    "model": "rpi64",
-    "k3s_version": "v1.17.17+k3s1"
-  },
-  {
-    "flavor": "opensuse-arm-rpi",
-    "model": "rpi64",
-    "k3s_version": "v1.18.20+k3s1"
-  },
-  {
-    "flavor": "alpine-arm-rpi",
-    "model": "rpi64",
-    "k3s_version": "v1.18.20+k3s1"
-  },
-  {
-    "flavor": "opensuse-arm-rpi",
-    "model": "rpi64",
-    "k3s_version": "v1.19.16+k3s1"
-  },
-  {
-    "flavor": "alpine-arm-rpi",
-    "model": "rpi64",
-    "k3s_version": "v1.19.16+k3s1"
-  },
   {
     "flavor": "opensuse-arm-rpi",
     "model": "rpi64",
diff --git a/releases.json b/releases.json
index d83387a..c52f3a3 100644
--- a/releases.json
+++ b/releases.json
@@ -47,102 +47,6 @@
     "flavor": "fedora",
     "k3s_version": "v1.25.3+k3s1"
   },
-  {
-    "flavor": "opensuse",
-    "k3s_version": "v1.16.15+k3s1"
-  },
-  {
-    "flavor": "alpine",
-    "k3s_version": "v1.16.15+k3s1"
-  },
-  {
-    "flavor": "ubuntu",
-    "k3s_version": "v1.16.15+k3s1"
-  },
-  {
-    "flavor": "ubuntu-20-lts",
-    "k3s_version": "v1.16.15+k3s1"
-  },
-  {
-    "flavor": "ubuntu-22-lts",
-    "k3s_version": "v1.16.15+k3s1"
-  },
-  {
-    "flavor": "fedora",
-    "k3s_version": "v1.16.15+k3s1"
-  },
-  {
-    "flavor": "opensuse",
-    "k3s_version": "v1.17.17+k3s1"
-  },
-  {
-    "flavor": "alpine",
-    "k3s_version": "v1.17.17+k3s1"
-  },
-  {
-    "flavor": "ubuntu",
-    "k3s_version": "v1.17.17+k3s1"
-  },
-  {
-    "flavor": "ubuntu-20-lts",
-    "k3s_version": "v1.17.17+k3s1"
-  },
-  {
-    "flavor": "ubuntu-22-lts",
-    "k3s_version": "v1.17.17+k3s1"
-  },
-  {
-    "flavor": "fedora",
-    "k3s_version": "v1.17.17+k3s1"
-  },
-  {
-    "flavor": "opensuse",
-    "k3s_version": "v1.18.20+k3s1"
-  },
-  {
-    "flavor": "alpine",
-    "k3s_version": "v1.18.20+k3s1"
-  },
-  {
-    "flavor": "ubuntu",
-    "k3s_version": "v1.18.20+k3s1"
-  },
-  {
-    "flavor": "ubuntu-20-lts",
-    "k3s_version": "v1.18.20+k3s1"
-  },
-  {
-    "flavor": "ubuntu-22-lts",
-    "k3s_version": "v1.18.20+k3s1"
-  },
-  {
-    "flavor": "fedora",
-    "k3s_version": "v1.18.20+k3s1"
-  },
-  {
-    "flavor": "opensuse",
-    "k3s_version": "v1.19.16+k3s1"
-  },
-  {
-    "flavor": "alpine",
-    "k3s_version": "v1.19.16+k3s1"
-  },
-  {
-    "flavor": "ubuntu",
-    "k3s_version": "v1.19.16+k3s1"
-  },
-  {
-    "flavor": "ubuntu-20-lts",
-    "k3s_version": "v1.19.16+k3s1"
-  },
-  {
-    "flavor": "ubuntu-22-lts",
-    "k3s_version": "v1.19.16+k3s1"
-  },
-  {
-    "flavor": "fedora",
-    "k3s_version": "v1.19.16+k3s1"
-  },
   {
     "flavor": "opensuse",
     "k3s_version": "v1.20.15+k3s1"