4 files changed, 4 insertions, 4 deletions
diff --git a/pkgs/development/compilers/gcc/4.8/default.nix b/pkgs/development/compilers/gcc/4.8/default.nix
index b36529ecb3cf8..b9a24183cde23 100644
--- a/pkgs/development/compilers/gcc/4.8/default.nix
+++ b/pkgs/development/compilers/gcc/4.8/default.nix
@@ -83,7 +83,7 @@ let version = "4.8.5";
     # Antlr (optional) allows the Java `gjdoc' tool to be built.  We want a
     # binary distribution here to allow the whole chain to be bootstrapped.
     javaAntlr = fetchurl {
-      url = http://www.antlr.org/download/antlr-4.4-complete.jar;
+      url = https://www.antlr.org/download/antlr-4.4-complete.jar;
       sha256 = "02lda2imivsvsis8rnzmbrbp8rh1kb8vmq4i67pqhkwz7lf8y6dz";
     };
 
diff --git a/pkgs/development/compilers/gcc/4.9/default.nix b/pkgs/development/compilers/gcc/4.9/default.nix
index ee00a3aee1e1c..36ad5b46b7910 100644
--- a/pkgs/development/compilers/gcc/4.9/default.nix
+++ b/pkgs/development/compilers/gcc/4.9/default.nix
@@ -88,7 +88,7 @@ let version = "4.9.4";
     # Antlr (optional) allows the Java `gjdoc' tool to be built.  We want a
     # binary distribution here to allow the whole chain to be bootstrapped.
     javaAntlr = fetchurl {
-      url = http://www.antlr.org/download/antlr-4.4-complete.jar;
+      url = https://www.antlr.org/download/antlr-4.4-complete.jar;
       sha256 = "02lda2imivsvsis8rnzmbrbp8rh1kb8vmq4i67pqhkwz7lf8y6dz";
     };
 
diff --git a/pkgs/development/compilers/gcc/5/default.nix b/pkgs/development/compilers/gcc/5/default.nix
index 15f95ef205ebe..2d7ac9497bbbb 100644
--- a/pkgs/development/compilers/gcc/5/default.nix
+++ b/pkgs/development/compilers/gcc/5/default.nix
@@ -75,7 +75,7 @@ let version = "5.5.0";
     # Antlr (optional) allows the Java `gjdoc' tool to be built.  We want a
     # binary distribution here to allow the whole chain to be bootstrapped.
     javaAntlr = fetchurl {
-      url = http://www.antlr.org/download/antlr-4.4-complete.jar;
+      url = https://www.antlr.org/download/antlr-4.4-complete.jar;
       sha256 = "02lda2imivsvsis8rnzmbrbp8rh1kb8vmq4i67pqhkwz7lf8y6dz";
     };
 
diff --git a/pkgs/development/compilers/gcc/6/default.nix b/pkgs/development/compilers/gcc/6/default.nix
index 6fd1995354f6c..7644f4d3f6234 100644
--- a/pkgs/development/compilers/gcc/6/default.nix
+++ b/pkgs/development/compilers/gcc/6/default.nix
@@ -72,7 +72,7 @@ let version = "6.5.0";
     # Antlr (optional) allows the Java `gjdoc' tool to be built.  We want a
     # binary distribution here to allow the whole chain to be bootstrapped.
     javaAntlr = fetchurl {
-      url = http://www.antlr.org/download/antlr-4.4-complete.jar;
+      url = https://www.antlr.org/download/antlr-4.4-complete.jar;
       sha256 = "02lda2imivsvsis8rnzmbrbp8rh1kb8vmq4i67pqhkwz7lf8y6dz";
     };