diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index ba7b19df6..8e0ae9b36 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -307,16 +307,16 @@ jobs:
           GATEKEEPER_ORIGIN="${NEXT_PUBLIC_BASE_URL}/gatekeeper"
 
           if [[ "$TARGET" == "production" ]]; then
-            INTERNAL_SUBNET="192.168.220.0/24"
+            INTERNAL_SUBNET="10.199.10.0/24"
           elif [[ "$TARGET" == "testing" ]]; then
-            INTERNAL_SUBNET="192.168.221.0/24"
+            INTERNAL_SUBNET="10.199.11.0/24"
           elif [[ "$TARGET" == "staging" ]]; then
-            INTERNAL_SUBNET="192.168.222.0/24"
+            INTERNAL_SUBNET="10.199.12.0/24"
           else
             HEX_SHA="${{ needs.prepare.outputs.short_sha }}"
             DEC_SHA=$((16#$HEX_SHA))
-            SUBNET_NUM=$(( 10 + (DEC_SHA % 200) ))
-            INTERNAL_SUBNET="192.168.${SUBNET_NUM}.0/24"
+            SUBNET_NUM=$(( 13 + (DEC_SHA % 230) ))
+            INTERNAL_SUBNET="10.199.${SUBNET_NUM}.0/24"
           fi
 
           {
diff --git a/docker-compose.yml b/docker-compose.yml
index 3482d860f..32ee943ad 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -112,7 +112,7 @@ networks:
     name: ${PROJECT_NAME:-e-tib}-internal
     ipam:
       config:
-        - subnet: ${INTERNAL_SUBNET:-192.168.219.0/24}
+        - subnet: ${INTERNAL_SUBNET:-10.199.9.0/24}
   infra:
     external: true