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-rw-r--r--gnu/packages/graph.scm2
1 files changed, 1 insertions, 1 deletions
diff --git a/gnu/packages/graph.scm b/gnu/packages/graph.scm
index 6a5e0e753f..38924e42b2 100644
--- a/gnu/packages/graph.scm
+++ b/gnu/packages/graph.scm
@@ -142,7 +142,7 @@ more.")
      `(("r-igraph" ,r-igraph)
        ("r-matrix" ,r-matrix)
        ("r-scatterplot3d" ,r-scatterplot3d)))
-    (home-page "http://www.r-project.org")
+    (home-page "https://www.r-project.org")
     (synopsis "Diffusion map")
     (description "This package implements the diffusion map method of data
 parametrization, including creation and visualization of diffusion maps,