diff --git a/pom.xml b/pom.xml
index 83e538d0..b36cce83 100644
--- a/pom.xml
+++ b/pom.xml
@@ -258,7 +258,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 		<repository>
 			<id>n52-releases</id>
 			<name>52n Releases</name>
-			<url>http://52north.org/maven/repo/releases/</url>
+			<url>https://52north.org/maven/repo/releases/</url>
 			<releases>
 				<enabled>true</enabled>
 			</releases>
@@ -269,7 +269,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 		<repository>
 			<id>n52-snapshots</id>
 			<name>52n Snapshots</name>
-			<url>http://52north.org/maven/repo/snapshots/</url>
+			<url>https://52north.org/maven/repo/snapshots/</url>
 			<releases>
 				<enabled>false</enabled>
 			</releases>
@@ -281,14 +281,14 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 		<repository>
 			<id>maven-restlet</id>
 			<name>Public online Restlet repository</name>
-			<url>http://maven.restlet.org</url>
+			<url>https://maven.restlet.org</url>
 		</repository>
 
 		<!-- for postgis -->
 		<repository>
 			<id>sonatype-postgis-releases</id>
 			<name>Sonatype Postgis Releases Repo</name>
-			<url>http://oss.sonatype.org/content/repositories/postgis-releases</url>
+			<url>https://oss.sonatype.org/content/repositories/postgis-releases</url>
 		</repository>
 	</repositories>
 
@@ -296,7 +296,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 		<pluginRepository>
 			<id>apache-snapshots</id>
 			<name>Apache Snapshots</name>
-			<url>http://people.apache.org/repo/m2-snapshot-repository</url>
+			<url>https://people.apache.org/repo/m2-snapshot-repository</url>
 			<releases>
 				<enabled>false</enabled>
 			</releases>