diff --git a/.travis.yml b/.travis.yml
index 26eb16d84d1ea4fc0da32b6d85e1a4116110d630..1511f8e7d8ab8e2da9b50f337b1f5a083940ae09 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,7 +30,7 @@ jobs:
     # --
     env: "\
       DOCKER_REPO='\
-        jekyll:4.0.0 \
+        jekyll:4.0.1 \
         jekyll:stable \
         jekyll:latest \
         jekyll:pages \
@@ -43,7 +43,7 @@ jobs:
   # --
   - env: "\
       DOCKER_REPO='\
-        builder:4.0.0 \
+        builder:4.0.1 \
         builder:stable \
         builder:latest \
         jekyll:builder \
@@ -57,7 +57,7 @@ jobs:
   # --
   - env: "\
       DOCKER_REPO='\
-        minimal:4.0.0 \
+        minimal:4.0.1 \
         minimal:stable \
         minimal:latest \
         jekyll:minimal \
diff --git a/opts.yml b/opts.yml
index 64f91d779e237b710d4e769768c7367a0205b2c0..43f2411ea5f4e8633c794595abe710c4a9e6cff4 100644
--- a/opts.yml
+++ b/opts.yml
@@ -1,13 +1,13 @@
 base_image: ruby:2.7.1-alpine3.11
 user: jekyll
 aliases:
-  latest: 4.0.0
-  stable: 4.0.0
-  4.0: 4.0.0
-  4: 4.0.0
+  latest: 4.0.1
+  stable: 4.0.1
+  4.0: 4.0.1
+  4: 4.0.1
 tags:
-  4.0.0: stable
+  4.0.1: stable
   pages: pages
 releases:
   tag:
-    pages: 3.8.5 # 08-27-2019
+    pages: 3.8.5 # 05-15-2020