diff --git a/srcpkgs/R-cran-RColorBrewer/update b/srcpkgs/R-cran-RColorBrewer/update
new file mode 100644
index 00000000000..093cb0b6bf5
--- /dev/null
+++ b/srcpkgs/R-cran-RColorBrewer/update
@@ -0,0 +1 @@
+version=${version//r/.}
diff --git a/srcpkgs/R-cran-colorspace/update b/srcpkgs/R-cran-colorspace/update
new file mode 100644
index 00000000000..093cb0b6bf5
--- /dev/null
+++ b/srcpkgs/R-cran-colorspace/update
@@ -0,0 +1 @@
+version=${version//r/.}
diff --git a/srcpkgs/R-cran-dichromat/update b/srcpkgs/R-cran-dichromat/update
new file mode 100644
index 00000000000..093cb0b6bf5
--- /dev/null
+++ b/srcpkgs/R-cran-dichromat/update
@@ -0,0 +1 @@
+version=${version//r/.}
diff --git a/srcpkgs/R-cran-zoo/update b/srcpkgs/R-cran-zoo/update
index 14d2b439ac4..093cb0b6bf5 100644
--- a/srcpkgs/R-cran-zoo/update
+++ b/srcpkgs/R-cran-zoo/update
@@ -1 +1 @@
-version=${version//r/-}
+version=${version//r/.}