diff --git a/lib/lib.sh b/lib/lib.sh
index 1750eb79..3a4cec81 100644
--- a/lib/lib.sh
+++ b/lib/lib.sh
@@ -35,6 +35,7 @@ export DOT_FORGEJO_CURL=$DIR/forgejo-curl
 export DOT=$DOT_FORGEJO_CURL # for backward compatibility with forgejo-curl.sh 1.0.0
 : ${FORGEJO_USER:=root}
 : ${FORGEJO_PASSWORD:=admin1234}
+: ${FORGEJO_INSTANCE:=https://codeberg.org}
 ORGANIZATIONS=$(cat $LIB_DIR/ORGANIZATIONS)
 
 function log_info() {
@@ -93,7 +94,7 @@ function full_version() {
     local owner=$2
 
     if [[ $version =~ ^[0-9]+\.[0-9]+$ ]]; then
-        full_version=$(curl -sS "https://codeberg.org/api/v1/repos/$owner/forgejo/releases?limit=50" | jq -r '.[] | .tag_name | select(startswith("v'$version'"))' | sort --reverse --version-sort | head -1)
+        full_version=$(curl -sS "$FORGEJO_INSTANCE/api/v1/repos/$owner/forgejo/releases?limit=50" | jq -r '.[] | .tag_name | select(startswith("v'$version'"))' | sort --reverse --version-sort | head -1)
         echo ${full_version#v}
     else
         echo $version
@@ -110,7 +111,7 @@ function download_forgejo() {
             if test "$full_version" = ""; then
                 continue
             fi
-            if wget -O $DIR_BINARIES/forgejo-$version --quiet https://codeberg.org/$owner/forgejo/releases/download/v$full_version/forgejo-$full_version-linux-amd64; then
+            if wget -O $DIR_BINARIES/forgejo-$version --quiet $FORGEJO_INSTANCE/$owner/forgejo/releases/download/v$full_version/forgejo-$full_version-linux-amd64; then
                 break
             fi
         done