diff --git a/INSTALL.md b/INSTALL.md
index 9526a8637bf15c38387078ecca8463418f9c0fc2..aca213ce649309390089e93a5a1e02b22ba21323 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -77,7 +77,7 @@ For developers who are interested to contribute, here is how to compile the
 gRPC C Core library.
 
 ```sh
- $ git clone -b $(curl -L http://grpc.io/release) https://github.com/grpc/grpc
+ $ git clone -b $(curl -L https://grpc.io/release) https://github.com/grpc/grpc
  $ cd grpc
  $ git submodule update --init
  $ make
diff --git a/examples/cpp/helloworld/README.md b/examples/cpp/helloworld/README.md
index db953f53628bbbf6adfbe4e3b0003ada9f977aba..18d3d79dcce9fc5e1b61661518c2206568f2adf2 100644
--- a/examples/cpp/helloworld/README.md
+++ b/examples/cpp/helloworld/README.md
@@ -12,7 +12,7 @@ following command:
 
 
 ```sh
-$ git clone -b $(curl -L http://grpc.io/release) https://github.com/grpc/grpc
+$ git clone -b $(curl -L https://grpc.io/release) https://github.com/grpc/grpc
 ```
 
 Change your current directory to examples/cpp/helloworld
diff --git a/examples/node/README.md b/examples/node/README.md
index f29236c62a3c8f0d5acbd3a3ebf5e3803260cd7f..4730766d5972408e9e05b949065413703fdb8b18 100644
--- a/examples/node/README.md
+++ b/examples/node/README.md
@@ -12,7 +12,7 @@ INSTALL
    ```sh
    $ # Get the gRPC repository
    $ export REPO_ROOT=grpc # REPO root can be any directory of your choice
-   $ git clone -b $(curl -L http://grpc.io/release) https://github.com/grpc/grpc $REPO_ROOT
+   $ git clone -b $(curl -L https://grpc.io/release) https://github.com/grpc/grpc $REPO_ROOT
    $ cd $REPO_ROOT
 
    $ cd examples/node
diff --git a/examples/objective-c/helloworld/README.md b/examples/objective-c/helloworld/README.md
index 365bea1422823e0180fd7631c0868908145b5f84..27c9f14040032b031cf7af285b93d7df72917775 100644
--- a/examples/objective-c/helloworld/README.md
+++ b/examples/objective-c/helloworld/README.md
@@ -16,7 +16,7 @@ this repository to your local machine by running the following commands:
 
 
 ```sh
-$ git clone -b $(curl -L http://grpc.io/release) https://github.com/grpc/grpc
+$ git clone -b $(curl -L https://grpc.io/release) https://github.com/grpc/grpc
 $ cd grpc
 $ git submodule update --init
 ```
diff --git a/examples/php/README.md b/examples/php/README.md
index 54cc97d8c2f8cca65b0fd65931c43b64d1b95664..e497fb07ffc90a9490171c3deb96b4ccc77d533f 100644
--- a/examples/php/README.md
+++ b/examples/php/README.md
@@ -17,7 +17,7 @@ INSTALL
  - Clone this repository
 
    ```sh
-   $ git clone -b $(curl -L http://grpc.io/release) https://github.com/grpc/grpc
+   $ git clone -b $(curl -L https://grpc.io/release) https://github.com/grpc/grpc
    ```
 
  - Install composer
diff --git a/src/cpp/README.md b/src/cpp/README.md
index e9ef489a7ca317fed2be1ee9113e7f5bd58ea6d8..77fbee1149159a113ec51f7e4784dfd5e209f444 100644
--- a/src/cpp/README.md
+++ b/src/cpp/README.md
@@ -47,7 +47,7 @@ below.
 # Build from Source
 
 ```sh
- $ git clone -b $(curl -L http://grpc.io/release) https://github.com/grpc/grpc
+ $ git clone -b $(curl -L https://grpc.io/release) https://github.com/grpc/grpc
  $ cd grpc
  $ git submodule update --init
  $ make
diff --git a/src/php/README.md b/src/php/README.md
index 90c8cb386a051cb2a65abba523d4ec5a1dad29c7..11f99e134cf5145ea59c3bd034ba8732e17da114 100644
--- a/src/php/README.md
+++ b/src/php/README.md
@@ -100,7 +100,7 @@ the `composer` and `protoc` binaries. You can find out how to get these
 Clone this repository
 
 ```sh
-$ git clone -b $(curl -L http://grpc.io/release) https://github.com/grpc/grpc
+$ git clone -b $(curl -L https://grpc.io/release) https://github.com/grpc/grpc
 ```
 
 Build and install the gRPC C core library
@@ -129,7 +129,7 @@ $ sudo make install
 You will need the source code to run tests
 
 ```sh
-$ git clone -b $(curl -L http://grpc.io/release) https://github.com/grpc/grpc
+$ git clone -b $(curl -L https://grpc.io/release) https://github.com/grpc/grpc
 $ cd grpc
 $ git pull --recurse-submodules && git submodule update --init --recursive
 ```
diff --git a/src/python/grpcio/README.rst b/src/python/grpcio/README.rst
index 28a27145682e5f1df4d6311b376bcb003c6a86c2..f047243f82d8549c302970838b7f4feca1d22af8 100644
--- a/src/python/grpcio/README.rst
+++ b/src/python/grpcio/README.rst
@@ -46,7 +46,7 @@ package named :code:`python-dev`).
 ::
 
   $ export REPO_ROOT=grpc  # REPO_ROOT can be any directory of your choice
-  $ git clone -b $(curl -L http://grpc.io/release) https://github.com/grpc/grpc $REPO_ROOT
+  $ git clone -b $(curl -L https://grpc.io/release) https://github.com/grpc/grpc $REPO_ROOT
   $ cd $REPO_ROOT
   $ git submodule update --init
 
diff --git a/tools/distrib/python/grpcio_tools/README.rst b/tools/distrib/python/grpcio_tools/README.rst
index 55521d17bb1723688ccdec60c0b5640053d35e19..fb44cfaf802eef3cb7d8f22c254eefcbd9275bae 100644
--- a/tools/distrib/python/grpcio_tools/README.rst
+++ b/tools/distrib/python/grpcio_tools/README.rst
@@ -53,7 +53,7 @@ GCC-like stuff, but you may end up having a bad time.
 ::
 
   $ export REPO_ROOT=grpc  # REPO_ROOT can be any directory of your choice
-  $ git clone -b $(curl -L http://grpc.io/release) https://github.com/grpc/grpc $REPO_ROOT
+  $ git clone -b $(curl -L https://grpc.io/release) https://github.com/grpc/grpc $REPO_ROOT
   $ cd $REPO_ROOT
   $ git submodule update --init