diff --git a/WORKSPACE b/WORKSPACE
index 4bf8199..66cdf62 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -71,11 +71,18 @@
 # HTTP stuff from the Internet
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_file")
 http_file(
-    name = "factorio-headless",
+    name = "factorio-headless-0.16.51",
     urls = ["https://factorio.com/get-download/0.16.51/headless/linux64"],
     sha256 = "6cb09f5ac87f16f8d5b43cef26c0ae26cc46a57a0382e253dfda032dc5bb367f",
     downloaded_file_path = "factorio.tar.xz",
 )
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_file")
+http_file(
+    name = "factorio-headless-0.17.41",
+    urls = ["https://factorio.com/get-download/0.17.41/headless/linux64"],
+    sha256 = "bf2d16b23c3bbd97e41889d3e27670b6d958fa3d50f0befb41d234f735e8e6d1",
+    downloaded_file_path = "factorio.tar.xz",
+)
 
 # Go rules
 
diff --git a/app/factorio/BUILD b/app/factorio/BUILD
index dc5dfd5..f3fd191 100644
--- a/app/factorio/BUILD
+++ b/app/factorio/BUILD
@@ -1,12 +1,21 @@
 load("@io_bazel_rules_docker//container:container.bzl", "container_image")
 
 container_image(
-    name="latest",
+    name="0.16.51-1",
     base="@prodimage-bionic//image",
-	tars = ["@factorio-headless//file"],
-	files = [":entrypoint.sh"],
-	directory = "/",
-	entrypoint = ["/entrypoint.sh"],
+    tars = ["@factorio-headless-0.16.51//file"],
+    files = [":entrypoint.sh"],
+    directory = "/",
+    entrypoint = ["/entrypoint.sh"],
+)
+
+container_image(
+    name="0.17.41-1",
+    base="@prodimage-bionic//image",
+    tars = ["@factorio-headless-0.17.41//file"],
+    files = [":entrypoint.sh"],
+    directory = "/",
+    entrypoint = ["/entrypoint.sh"],
 )
 
 # Totally broken right now because google/containerregistry doesn't handle
@@ -21,13 +30,14 @@
 #)
 # So this is a replacement hack.
 genrule(
-	name = "push_latest",
-	srcs = [":latest"],
-	outs = ["version.sh"],
-	executable = True,
-	cmd = """
-		docker tag bazel/app/factorio:latest registry.k0.hswaw.net/app/factorio:latest
-        docker push registry.k0.hswaw.net/app/factorio:latest
-		echo -ne "#!/bin/sh\necho Tagged.\n" > $(OUTS)
-	""",
+    name = "push_latest",
+    srcs = [":0.17.41-1"],
+    outs = ["version.sh"],
+    executable = True,
+    cmd = """
+        tag=0.17.41-1
+        docker tag bazel/app/factorio:$$tag registry.k0.hswaw.net/app/factorio:$$tag
+        docker push registry.k0.hswaw.net/app/factorio:$$tag
+        echo -ne "#!/bin/sh\necho Pushed $$tag.\n" > $(OUTS)
+    """,
 )