diff --git a/config/checkstyle/checkstyle.xml b/config/checkstyle/checkstyle.xml
index 74675973..51a1d488 100644
--- a/config/checkstyle/checkstyle.xml
+++ b/config/checkstyle/checkstyle.xml
@@ -199,7 +199,7 @@
                      value="Parameter name ''{0}'' must match pattern ''{1}''."/>
         </module>
         <module name="LambdaParameterName">
-            <property name="format" value="^[a-z][a-zA-Z0-9]{0,19}$"/>
+            <property name="format" value="^[a-z][a-zA-Z]{0,9}$"/>
             <message key="name.invalidPattern"
                      value="Lambda parameter name ''{0}'' must match pattern ''{1}''."/>
         </module>
@@ -220,7 +220,7 @@
                      value="Method name ''{0}'' must match pattern ''{1}''."/>
         </module>
         <module name="PatternVariableName">
-            <property name="format" value="^[a-z][a-zA-Z0-9]{0,19}$"/>
+            <property name="format" value="^[a-z]{0,9}$"/>
             <message key="name.invalidPattern"
                      value="Pattern variable name ''{0}'' must match pattern ''{1}''."/>
         </module>
@@ -231,7 +231,7 @@
                      value="Class type name ''{0}'' must match pattern ''{1}''."/>
         </module>
         <module name="RecordComponentName">
-            <property name="format" value="^[a-z][a-zA-Z0-9]{0,19}$"/>
+            <property name="format" value="^[a-z]{0,9}$"/>
             <message key="name.invalidPattern"
                      value="Record component name ''{0}'' must match pattern ''{1}''."/>
         </module>