diff --git a/scripts/updateUpstream.sh b/scripts/updateUpstream.sh
new file mode 100644
index 0000000..d458cc1
--- /dev/null
+++ b/scripts/updateUpstream.sh
@@ -0,0 +1,89 @@
+#!/usr/bin/env bash
+
+# requires curl & jq
+
+# upstreamCommit --paper HASH --pufferfish HASH --purpur HASH
+# flag: --paper HASH - the commit hash to use for comparing commits between paper (PaperMC/Paper/compare/HASH...HEAD)
+# flag: --pufferfish HASH - the commit hash to use for comparing commits between pufferfish (pufferfish-gg/Pufferfish/compare/HASH...HEAD)
+# flag: --purpur HASH - the commit hash to use for comparing commits between paper (PurpurMC/Purpur/compare/HASH...HEAD)
+
+function getCommits() {
+    curl -H "Accept: application/vnd.github.v3+json" https://api.github.com/repos/"$1"/compare/"$2"...HEAD | jq -r '.commits[] | "'"$1"'@\(.sha[:7]) \(.commit.message | split("\r\n")[0] | split("\n")[0])"'
+}
+
+(
+set -e
+PS1="$"
+
+paperHash=""
+pufferfishHash=""
+purpurHash=""
+
+TEMP=$(getopt --long paper:,pufferfish: -o "" -- "$@")
+eval set -- "$TEMP"
+while true; do
+    case "$1" in
+        --paper)
+            paperHash="$2"
+            shift 2
+            ;;
+        --pufferfish)
+            pufferfishHash="$2"
+            shift 2
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
+paper=""
+pufferfish=""
+purpur=""
+updated=""
+logsuffix=""
+
+# Paper updates
+if [ -n "$paperHash" ]; then
+    paper=$(getCommits "PaperMC/Paper" "$paperHash")
+
+    # Updates found
+    if [ -n "$paper" ]; then
+        updated="Paper"
+        logsuffix="$logsuffix\n\nPaper Changes:\n$paper"
+    fi
+fi
+
+# Pufferfish updates
+if [ -n "$pufferfishHash" ]; then
+    pufferfish=$(getCommits "pufferfish-gg/Pufferfish" "$pufferfishHash")
+
+    # Updates found
+    if [ -n "$pufferfish" ]; then
+        updated="Pufferfish"
+        logsuffix="$logsuffix\n\nPufferfish Changes:\n$pufferfish"
+    fi
+fi
+
+# Purpur updates
+if [ -n "$purpurHash" ]; then
+    pufferfish=$(getCommits "PurpurMC/Purpur" "$purpurHash")
+
+    # Updates found
+    if [ -n "$purpur" ]; then
+        updated="Purpur"
+        logsuffix="$logsuffix\n\nPurpur Changes:\n$purpur"
+    fi
+fi
+
+# Both have updates
+if [ -n "$paper" ] && [ -n "$pufferfish" ] && [ -n "$purpur" ]; then
+    updated="Paper, Pufferfish & Purpur"
+fi
+
+disclaimer="Upstream has released updates that appear to apply and compile correctly"
+log="Updated Upstream ($updated)\n\n${disclaimer}${logsuffix}"
+
+echo -e "$log" | git commit -F -
+
+) || exit 1
\ No newline at end of file