diff --git a/headless-services/commons/commons-gradle/src/main/java/org/springframework/ide/vscode/commons/gradle/GradleProjectClasspath.java b/headless-services/commons/commons-gradle/src/main/java/org/springframework/ide/vscode/commons/gradle/GradleProjectClasspath.java
index c7b2b8379..4e71260d4 100644
--- a/headless-services/commons/commons-gradle/src/main/java/org/springframework/ide/vscode/commons/gradle/GradleProjectClasspath.java
+++ b/headless-services/commons/commons-gradle/src/main/java/org/springframework/ide/vscode/commons/gradle/GradleProjectClasspath.java
@@ -72,7 +72,7 @@ public class GradleProjectClasspath extends JandexClasspath {
 						if (javaVersion == null) {
 							javaVersion = "8";
 						}
-						URL javadocUrl = new URL("http://docs.oracle.com/javase/" + javaVersion + "/docs/api/");
+						URL javadocUrl = new URL("https://docs.oracle.com/javase/" + javaVersion + "/docs/api/");
 						return new HtmlJavadocProvider(
 								(type) -> SourceUrlProviderFromSourceContainer.JAVADOC_FOLDER_URL_SUPPLIER
 										.sourceUrl(javadocUrl, type));
diff --git a/headless-services/commons/commons-maven/src/main/java/org/springframework/ide/vscode/commons/maven/MavenCore.java b/headless-services/commons/commons-maven/src/main/java/org/springframework/ide/vscode/commons/maven/MavenCore.java
index c02c145d9..631b033b1 100644
--- a/headless-services/commons/commons-maven/src/main/java/org/springframework/ide/vscode/commons/maven/MavenCore.java
+++ b/headless-services/commons/commons-maven/src/main/java/org/springframework/ide/vscode/commons/maven/MavenCore.java
@@ -94,7 +94,7 @@ public class MavenCore {
 					if (javaVersion == null) {
 						javaVersion = "8";
 					}
-					URL javadocUrl = new URL("http://docs.oracle.com/javase/" + javaVersion + "/docs/api/");
+					URL javadocUrl = new URL("https://docs.oracle.com/javase/" + javaVersion + "/docs/api/");
 					return new HtmlJavadocProvider((type) -> SourceUrlProviderFromSourceContainer.JAVADOC_FOLDER_URL_SUPPLIER.sourceUrl(javadocUrl, type));
 				} catch (MalformedURLException e) {
 					Log.log(e);