diff --git a/src/main/java/org/springframework/data/ldap/repository/query/LdapParameterAccessor.java b/src/main/java/org/springframework/data/ldap/repository/query/LdapParameterAccessor.java
index 0d97d54..65b7764 100644
--- a/src/main/java/org/springframework/data/ldap/repository/query/LdapParameterAccessor.java
+++ b/src/main/java/org/springframework/data/ldap/repository/query/LdapParameterAccessor.java
@@ -5,7 +5,7 @@
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
+ *      https://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/src/main/java/org/springframework/data/ldap/repository/query/LdapParametersParameterAccessor.java b/src/main/java/org/springframework/data/ldap/repository/query/LdapParametersParameterAccessor.java
index 348fcaf..df06ba9 100644
--- a/src/main/java/org/springframework/data/ldap/repository/query/LdapParametersParameterAccessor.java
+++ b/src/main/java/org/springframework/data/ldap/repository/query/LdapParametersParameterAccessor.java
@@ -5,7 +5,7 @@
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
+ *      https://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/src/main/java/org/springframework/data/ldap/repository/query/LdapQueryExecution.java b/src/main/java/org/springframework/data/ldap/repository/query/LdapQueryExecution.java
index 56befa7..a39960c 100644
--- a/src/main/java/org/springframework/data/ldap/repository/query/LdapQueryExecution.java
+++ b/src/main/java/org/springframework/data/ldap/repository/query/LdapQueryExecution.java
@@ -5,7 +5,7 @@
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
+ *      https://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/src/test/java/org/springframework/data/ldap/repository/LdapRepositoryUnitTests.java b/src/test/java/org/springframework/data/ldap/repository/LdapRepositoryUnitTests.java
index e398819..95fb6a4 100644
--- a/src/test/java/org/springframework/data/ldap/repository/LdapRepositoryUnitTests.java
+++ b/src/test/java/org/springframework/data/ldap/repository/LdapRepositoryUnitTests.java
@@ -5,7 +5,7 @@
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
+ *      https://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
diff --git a/src/test/java/org/springframework/data/ldap/repository/support/QuerydslLdapRepositoryUnitTests.java b/src/test/java/org/springframework/data/ldap/repository/support/QuerydslLdapRepositoryUnitTests.java
index e164dd3..f743401 100644
--- a/src/test/java/org/springframework/data/ldap/repository/support/QuerydslLdapRepositoryUnitTests.java
+++ b/src/test/java/org/springframework/data/ldap/repository/support/QuerydslLdapRepositoryUnitTests.java
@@ -5,7 +5,7 @@
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
+ *      https://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,