diff --git a/eo-maven-plugin/src/test/java/org/eolang/maven/ContainsFiles.java b/eo-maven-plugin/src/test/java/org/eolang/maven/ContainsFiles.java
index 086a657baf..5eb7b330e7 100644
--- a/eo-maven-plugin/src/test/java/org/eolang/maven/ContainsFiles.java
+++ b/eo-maven-plugin/src/test/java/org/eolang/maven/ContainsFiles.java
@@ -35,7 +35,11 @@
  * Asserting that path contains a files matching provided globs.
  * @since 0.31.0
  */
-@SuppressWarnings({"JTCOP.RuleAllTestsHaveProductionClass", "JTCOP.RuleCorrectTestName"})
+@SuppressWarnings({
+    "JTCOP.RuleAllTestsHaveProductionClass",
+    "JTCOP.RuleCorrectTestName",
+    "JTCOP.RuleInheritanceInTests"
+})
 final class ContainsFiles extends TypeSafeMatcher<Path> {
     /**
      * Patterns.
diff --git a/eo-runtime/src/test/java/EOorg/EOeolang/EOfailed.java b/eo-runtime/src/test/java/EOorg/EOeolang/EOfailed.java
index 6e6c362324..a7eff8087c 100644
--- a/eo-runtime/src/test/java/EOorg/EOeolang/EOfailed.java
+++ b/eo-runtime/src/test/java/EOorg/EOeolang/EOfailed.java
@@ -34,6 +34,10 @@
  *
  * @since 0.29
  */
-@SuppressWarnings({"JTCOP.RuleAllTestsHaveProductionClass", "JTCOP.RuleCorrectTestName"})
+@SuppressWarnings({
+    "JTCOP.RuleAllTestsHaveProductionClass",
+    "JTCOP.RuleCorrectTestName",
+    "JTCOP.RuleInheritanceInTests"
+})
 final class EOfailed extends PhDefault {
 }
diff --git a/pom.xml b/pom.xml
index 53e1aa78d4..42e2021ce0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -379,7 +379,7 @@ SOFTWARE.
           <plugin>
             <groupId>com.github.volodya-lombrozo</groupId>
             <artifactId>jtcop-maven-plugin</artifactId>
-            <version>1.1.1</version>
+            <version>1.2.0</version>
             <configuration>
               <ignoreGeneratedTests>true</ignoreGeneratedTests>
               <exclusions>