diff --git a/project/plugins.sbt b/project/plugins.sbt
index 07e60b7e7..d07e1a8b3 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,4 +1,4 @@
-resolvers += "jgit-repo" at "http://download.eclipse.org/jgit/maven"
+resolvers += "jgit-repo" at "https://download.eclipse.org/jgit/maven"
 
 addSbtPlugin("com.github.gseitz"  % "sbt-release"     % "1.0.0")
 addSbtPlugin("com.jsuereth"       % "sbt-pgp"         % "1.0.0")
diff --git a/sbt b/sbt
index 72eaf8485..14b57b154 100755
--- a/sbt
+++ b/sbt
@@ -80,7 +80,7 @@ make_url () {
   version="$1"
 
   case "$version" in
-        0.7.*) echo "http://simple-build-tool.googlecode.com/files/sbt-launch-0.7.7.jar" ;;
+        0.7.*) echo "https://simple-build-tool.googlecode.com/files/sbt-launch-0.7.7.jar" ;;
       0.10.* ) echo "$sbt_launch_repo/org.scala-tools.sbt/sbt-launch/$version/sbt-launch.jar" ;;
     0.11.[12]) echo "$sbt_launch_repo/org.scala-tools.sbt/sbt-launch/$version/sbt-launch.jar" ;;
             *) echo "$sbt_launch_repo/org.scala-sbt/sbt-launch/$version/sbt-launch.jar" ;;
@@ -115,7 +115,7 @@ declare -r script_name="${script_path##*/}"
 declare java_cmd="java"
 declare sbt_opts_file="$(init_default_option_file SBT_OPTS .sbtopts)"
 declare jvm_opts_file="$(init_default_option_file JVM_OPTS .jvmopts)"
-declare sbt_launch_repo="http://repo.typesafe.com/typesafe/ivy-releases"
+declare sbt_launch_repo="https://repo.typesafe.com/typesafe/ivy-releases"
 
 # pull -J and -D options to give to java.
 declare -a residual_args