diff --git a/app-shells/tcsh/tcsh-6.24.01-r1.ebuild b/app-shells/tcsh/tcsh-6.24.01-r1.ebuild
index c31da2219ef68..25cfb9cc60158 100644
--- a/app-shells/tcsh/tcsh-6.24.01-r1.ebuild
+++ b/app-shells/tcsh/tcsh-6.24.01-r1.ebuild
@@ -10,8 +10,8 @@ CONFVER="1.10"
 DESCRIPTION="Enhanced version of the Berkeley C shell (csh)"
 HOMEPAGE="https://www.tcsh.org/"
 SRC_URI="
-	ftp://ftp.astron.com/pub/tcsh/${P}.tar.gz
-	ftp://ftp.astron.com/pub/tcsh/old/${P}.tar.gz
+	https://astron.com/pub/tcsh/${P}.tar.gz
+	https://astron.com/pub/tcsh/old/${P}.tar.gz
 	https://dev.gentoo.org/~grobian/distfiles/tcsh-gentoo-patches-r${CONFVER}.tar.xz"
 
 LICENSE="BSD"
diff --git a/app-shells/tcsh/tcsh-6.24.13.ebuild b/app-shells/tcsh/tcsh-6.24.13.ebuild
index 1ecdee3b750f7..5619b181cc1c0 100644
--- a/app-shells/tcsh/tcsh-6.24.13.ebuild
+++ b/app-shells/tcsh/tcsh-6.24.13.ebuild
@@ -10,8 +10,8 @@ CONFVER="1.10"
 DESCRIPTION="Enhanced version of the Berkeley C shell (csh)"
 HOMEPAGE="https://www.tcsh.org/"
 SRC_URI="
-	ftp://ftp.astron.com/pub/tcsh/${P}.tar.gz
-	ftp://ftp.astron.com/pub/tcsh/old/${P}.tar.gz
+	https://astron.com/pub/tcsh/${P}.tar.gz
+	https://astron.com/pub/tcsh/old/${P}.tar.gz
 	https://dev.gentoo.org/~grobian/distfiles/tcsh-gentoo-patches-r${CONFVER}.tar.xz"
 
 LICENSE="BSD"
diff --git a/app-shells/tcsh/tcsh-6.24.14.ebuild b/app-shells/tcsh/tcsh-6.24.14.ebuild
index 1ecdee3b750f7..5619b181cc1c0 100644
--- a/app-shells/tcsh/tcsh-6.24.14.ebuild
+++ b/app-shells/tcsh/tcsh-6.24.14.ebuild
@@ -10,8 +10,8 @@ CONFVER="1.10"
 DESCRIPTION="Enhanced version of the Berkeley C shell (csh)"
 HOMEPAGE="https://www.tcsh.org/"
 SRC_URI="
-	ftp://ftp.astron.com/pub/tcsh/${P}.tar.gz
-	ftp://ftp.astron.com/pub/tcsh/old/${P}.tar.gz
+	https://astron.com/pub/tcsh/${P}.tar.gz
+	https://astron.com/pub/tcsh/old/${P}.tar.gz
 	https://dev.gentoo.org/~grobian/distfiles/tcsh-gentoo-patches-r${CONFVER}.tar.xz"
 
 LICENSE="BSD"