diff --git a/.drone.yml b/.drone.yml
index ed97136..7b58f90 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -12,7 +12,7 @@ platform:
 
 steps:
 - name: jekyll-build
-  image: jekyll/jekyll:latest
+  image: jekyll/jekyll:4.0
   volumes:
     - name: jekyll
       path: /srv/jekyll
diff --git a/Gemfile b/Gemfile
index 90da462..e6e0c65 100644
--- a/Gemfile
+++ b/Gemfile
@@ -21,9 +21,8 @@ group :jekyll_plugins do
    gem "jekyll-tagging"
    gem "jekyll-archives"
    gem "jekyll-paginate-v2"
-   gem 'jekyll_picture_tag', '~> 1.6'
-   gem 'jekyll-strapi'
-   gem 'jekyll-admin'
+   gem "jekyll-strapi"
+   gem "jekyll-admin"
 end
 
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
diff --git a/Gemfile.lock b/Gemfile.lock
index 02f120a..f688916 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,12 +62,6 @@ GEM
       nuggets
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    jekyll_picture_tag (1.14.0)
-      addressable (~> 2.6)
-      jekyll (< 5)
-      mime-types (~> 3.0)
-      mini_magick (~> 4.0)
-      objective_elements (~> 1.1)
     json (2.6.1)
     kramdown (2.4.0)
       rexml
@@ -78,13 +72,8 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
-    mime-types (3.4.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2022.0105)
-    mini_magick (4.11.0)
     multi_json (1.15.0)
     nuggets (1.6.0)
-    objective_elements (1.1.2)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.7)
@@ -138,7 +127,6 @@ DEPENDENCIES
   jekyll-paginate-v2
   jekyll-strapi
   jekyll-tagging
-  jekyll_picture_tag (~> 1.6)
   tzinfo (~> 1.2)
   tzinfo-data
   wdm (~> 0.1.1)
diff --git a/_config.yml b/_config.yml
index 5a8e3a7..b375ad8 100644
--- a/_config.yml
+++ b/_config.yml
@@ -74,7 +74,6 @@ plugins:
   - jekyll-archives
   - jekyll-paginate-v2
   - jekyll/tagging
-  #- jekyll-picture-tag #currently not in use...see "picture settings above"
 
 sass:
   style: compressed # possible values: nested expanded compact compressed
diff --git a/docker-compose.yml b/docker-compose.yml
index 0bb9925..2c0f257 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -67,7 +67,7 @@
 version: '3'
 services:
     jekyll-serve:
-      image: jekyll/jekyll:4.2
+      image: jekyll/jekyll:4.0
       volumes:
         - '.:/srv/jekyll'
       ports: