diff --git a/Makefile b/Makefile
index 67a11fb4..13931be4 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 .PHONY: build
diff --git a/all.sh b/all.sh
index 5bea22e9..e67c3f8b 100755
--- a/all.sh
+++ b/all.sh
@@ -10,7 +10,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help improve or steer this or other code I publish
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 set -euo pipefail
diff --git a/center80.sh b/center80.sh
index 0754880c..fc39dd9a 100755
--- a/center80.sh
+++ b/center80.sh
@@ -10,7 +10,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 # borrowed from here:
diff --git a/check_makefile.sh b/check_makefile.sh
index 0e1639fa..a2c247ec 100755
--- a/check_makefile.sh
+++ b/check_makefile.sh
@@ -10,7 +10,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 set -euo pipefail
diff --git a/check_shell_syntax.sh b/check_shell_syntax.sh
index acb25b42..2bbe7135 100755
--- a/check_shell_syntax.sh
+++ b/check_shell_syntax.sh
@@ -10,7 +10,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 # This really only checks basic syntax, if you're made command errors this won't catch it
diff --git a/check_travis_yml.sh b/check_travis_yml.sh
index 0994932c..a21e8048 100755
--- a/check_travis_yml.sh
+++ b/check_travis_yml.sh
@@ -10,7 +10,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help improve or steer this or other code I publish
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 set -euo pipefail
diff --git a/clean-my-repos.sh b/clean-my-repos.sh
index f65bf825..f8d5157c 100755
--- a/clean-my-repos.sh
+++ b/clean-my-repos.sh
@@ -10,7 +10,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help improve or steer this or other code I publish
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 set -euo pipefail
diff --git a/excluded.sh b/excluded.sh
index c98220f2..f857efea 100755
--- a/excluded.sh
+++ b/excluded.sh
@@ -10,7 +10,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help improve or steer this or other code I publish
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 # intended only to be sourced by utils.sh
diff --git a/get-my-repos.sh b/get-my-repos.sh
index 4b0b41ee..73081779 100755
--- a/get-my-repos.sh
+++ b/get-my-repos.sh
@@ -10,7 +10,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help improve or steer this or other code I publish
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 set -euo pipefail
diff --git a/python3.sh b/python3.sh
index 0c985b54..72b05800 100755
--- a/python3.sh
+++ b/python3.sh
@@ -10,7 +10,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help improve or steer this or other code I publish
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 set -euo pipefail
diff --git a/python_compile.sh b/python_compile.sh
index c07d1557..58877675 100755
--- a/python_compile.sh
+++ b/python_compile.sh
@@ -10,7 +10,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help improve or steer this or other code I publish
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 set -u
diff --git a/repolist.txt b/repolist.txt
index 7f195aab..10d6374f 100644
--- a/repolist.txt
+++ b/repolist.txt
@@ -9,7 +9,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 # Repos to git clone or update, one per line
diff --git a/run_tests.sh b/run_tests.sh
index e5925cb7..ede526e7 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -10,7 +10,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 set -euo pipefail
diff --git a/update-my-repos.sh b/update-my-repos.sh
index d044670e..ef921a36 100755
--- a/update-my-repos.sh
+++ b/update-my-repos.sh
@@ -10,7 +10,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help improve or steer this or other code I publish
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 set -euo pipefail
diff --git a/utils.sh b/utils.sh
index c7a07489..d93763f4 100755
--- a/utils.sh
+++ b/utils.sh
@@ -10,7 +10,7 @@
 #
 #  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help improve or steer this or other code I publish
 #
-#  http://www.linkedin.com/in/harisekhon
+#  https://www.linkedin.com/in/harisekhon
 #
 
 set -eu