diff --git a/DESCRIPTION b/DESCRIPTION
index af47be03..26b2a074 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: cpp11
 Title: A C++11 Interface for R's C Interface
-Version: 0.5.4.9000
+Version: 0.5.5
 Authors@R:
     c(
       person("Davis", "Vaughan", email = "davis@posit.co", role = c("aut", "cre"), comment = c(ORCID = "0000-0003-4777-038X")),
diff --git a/NEWS.md b/NEWS.md
index 6eab4cbd..4b896204 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,4 +1,4 @@
-# cpp11 (development version)
+# cpp11 0.5.5
 
 * Fixed an issue where `cpp11::stop()` and `cpp11::warning()` calls with the same template instantiation could cause a crash on some systems (#491, #295).
 
diff --git a/cran-comments.md b/cran-comments.md
index d0f3a363..d77a8071 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1 +1,3 @@
 This is a release with no expected breakage of any reverse dependencies.
+
+Note that all URLs under https://en.cppreference.com are valid and useful, but may 403 with CRAN's URL checking system due to a new "validate that you are human" check.