diff --git a/ci/config/pmdRuleSet.xml b/ci/config/pmdRuleSet.xml
index 3cea15d..08b6e8d 100644
--- a/ci/config/pmdRuleSet.xml
+++ b/ci/config/pmdRuleSet.xml
@@ -2,7 +2,7 @@
 <ruleset name="Custom ruleset"
 		 xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
 		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
+		 xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 https://pmd.sourceforge.io/ruleset_2_0_0.xsd">
 
 	<rule ref="rulesets/java/basic.xml"/>
 	<rule ref="rulesets/java/braces.xml"/>
diff --git a/ci/config/pmdTestRuleSet.xml b/ci/config/pmdTestRuleSet.xml
index 8efa08c..d17e5ad 100644
--- a/ci/config/pmdTestRuleSet.xml
+++ b/ci/config/pmdTestRuleSet.xml
@@ -18,7 +18,7 @@
 <ruleset name="Custom ruleset"
 		 xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
 		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-		 xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
+		 xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 https://pmd.sourceforge.io/ruleset_2_0_0.xsd">
 
 	<rule ref="rulesets/java/basic.xml"/>
 	<rule ref="rulesets/java/braces.xml">