diff --git a/tlpkg/installer/ctan-mirrors.pl b/tlpkg/installer/ctan-mirrors.pl
index 9d0408e8..59d323db 100644
--- a/tlpkg/installer/ctan-mirrors.pl
+++ b/tlpkg/installer/ctan-mirrors.pl
@@ -142,11 +142,9 @@
     'Poland' => {
       'https://ctan.gust.org.pl/tex-archive/' => 1,
       'https://polish-mirror.evolution-host.com/ctan/' => 1,
-      'https://sunsite.icm.edu.pl/pub/CTAN/' => 1,
     },
     'Portugal' => {
       'https://ftp.eq.uc.pt/software/TeX/' => 1,
-      'https://mirrors.up.pt/pub/CTAN/' => 1,
     },
     'Romania' => {
       'https://mirrors.nxthost.com/ctan/' => 1,
@@ -185,6 +183,9 @@
       'https://mirror.quantum5.ca/CTAN/' => 1,
       'https://muug.ca/mirror/ctan/' => 1,
     },
+    'Costa Rica' => {
+      'https://mirrors.ucr.ac.cr/CTAN/' => 1,
+    },
     'USA' => {
       'http://mirrors.ibiblio.org/pub/mirrors/CTAN/' => 1,
       'https://ctan.math.illinois.edu/' => 1,