diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index 5cd7955f1a620972633b0fec003a737f488d2f3c..df177b9e868e501bdfc8e8c4b2f02566c3d36b5e 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -13535,7 +13535,7 @@ (define-public r-ldheatmap
      `(("r-genetics" ,r-genetics)
        ("r-rcpp" ,r-rcpp)
        ("r-snpstats" ,r-snpstats)))
-    (home-page "http://stat.sfu.ca/statgen/research/ldheatmap.html")
+    (home-page "https://stat.sfu.ca/statgen/research/ldheatmap.html")
     (synopsis "Graphical display of pairwise linkage disequilibria between SNPs")
     (description
      "This package provides tools to produce a graphical display, as a heat