diff --git a/mx.fastr/mx_fastr_install_deps.py b/mx.fastr/mx_fastr_install_deps.py
index 9d6eb88d2a..cf5c4ac6b6 100644
--- a/mx.fastr/mx_fastr_install_deps.py
+++ b/mx.fastr/mx_fastr_install_deps.py
@@ -50,7 +50,6 @@
     "libpcre3",
     # libpcre2-8-0 is installed on Ubuntu by default, but we enumerate it here just to be sure
     "libpcre2-8-0",
-    "zlibc",
     "curl",
     "gfortran",
     "bzip2",
@@ -59,6 +58,7 @@
     "libpcre3-dev",
     "libpcre2-dev",
     "libreadline-dev",
+    "zlib1g",
     "zlib1g-dev",
     "libbz2-dev",
     "libcurl4",