diff --git a/heroku-24-build/installed-packages-amd64.txt b/heroku-24-build/installed-packages-amd64.txt
index 4385f6f..d40709d 100644
--- a/heroku-24-build/installed-packages-amd64.txt
+++ b/heroku-24-build/installed-packages-amd64.txt
@@ -543,6 +543,7 @@ socat
 sysvinit-utils
 tar
 tzdata
+tzdata-legacy
 ubuntu-keyring
 ucf
 unzip
diff --git a/heroku-24-build/installed-packages-arm64.txt b/heroku-24-build/installed-packages-arm64.txt
index fdc7c5c..2796d00 100644
--- a/heroku-24-build/installed-packages-arm64.txt
+++ b/heroku-24-build/installed-packages-arm64.txt
@@ -530,6 +530,7 @@ socat
 sysvinit-utils
 tar
 tzdata
+tzdata-legacy
 ubuntu-keyring
 ucf
 unzip
diff --git a/heroku-24/installed-packages-amd64.txt b/heroku-24/installed-packages-amd64.txt
index 32bd02b..b2ac481 100644
--- a/heroku-24/installed-packages-amd64.txt
+++ b/heroku-24/installed-packages-amd64.txt
@@ -343,6 +343,7 @@ socat
 sysvinit-utils
 tar
 tzdata
+tzdata-legacy
 ubuntu-keyring
 ucf
 unzip
diff --git a/heroku-24/installed-packages-arm64.txt b/heroku-24/installed-packages-arm64.txt
index 113489d..72b7b96 100644
--- a/heroku-24/installed-packages-arm64.txt
+++ b/heroku-24/installed-packages-arm64.txt
@@ -343,6 +343,7 @@ socat
 sysvinit-utils
 tar
 tzdata
+tzdata-legacy
 ubuntu-keyring
 ucf
 unzip
diff --git a/heroku-24/setup.sh b/heroku-24/setup.sh
index 6156a5e..d358bc5 100755
--- a/heroku-24/setup.sh
+++ b/heroku-24/setup.sh
@@ -115,6 +115,7 @@ packages=(
   socat
   tar
   tzdata
+  tzdata-legacy # Provides older/non-standard timezones like US/Central.
   unzip
   wget
   xz-utils