diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 70e7126e..2c29bde9 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -45,8 +45,7 @@ If your Pull Request results in the failure of this build it will not be reviewe
 ##### Requirements
 
 - JDK 11 or higher
-- Docker (daemon or desktop)
-<!-- TODO support podman/colima for builds -->
+- Any container engine, e.g. Docker, Podman, Colima. As this project is build on top of testcontainers, see their [documentation](https://golang.testcontainers.org/system_requirements/using_podman/) on how to use another container engine than Docker by default. 
 
 ##### Building project
 
diff --git a/docs/Gemfile b/docs/Gemfile
index 549aba1f..93a7cf46 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -8,7 +8,7 @@ source "https://rubygems.org"
 #
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
-gem "jekyll", "~> 3.8.5"
+gem "jekyll", "~> 3.9.0"
 
 gem 'jekyll-feed'
 
diff --git a/sample-apps/everything-app/build.gradle b/sample-apps/everything-app/build.gradle
index 34e879bf..ab868451 100644
--- a/sample-apps/everything-app/build.gradle
+++ b/sample-apps/everything-app/build.gradle
@@ -11,7 +11,7 @@ dependencies {
   testCompile group: 'org.slf4j', name: 'slf4j-log4j12', version: '1.7.36'
   testCompile 'org.testcontainers:mockserver:1.19.1'
   testCompile 'org.mock-server:mockserver-client-java:5.5.4'
-  testCompile 'io.rest-assured:rest-assured:4.2.0'
+  testCompile 'io.rest-assured:rest-assured:4.5.1'
   testImplementation 'org.junit.jupiter:junit-jupiter:5.10.1'
 }