diff --git a/.gitignore b/.gitignore
index 1097aa1..ed0471e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /ape_5.3.tar.gz
 /ape_5.4.tar.gz
 /ape_5.4-1.tar.gz
+/ape_5.5.tar.gz
diff --git a/R-ape.spec b/R-ape.spec
index 1b51c3c..37e3ab6 100644
--- a/R-ape.spec
+++ b/R-ape.spec
@@ -1,12 +1,12 @@
 %global packname ape
-%global packver  5.4-1
+%global packver  5.5
 %global rlibdir  %{_libdir}/R/library
 
-%bcond_with bootstrap
+%bcond_without bootstrap
 
 Name:             R-%{packname}
-Version:          5.4.1
-Release:          3%{?dist}
+Version:          5.5
+Release:          1%{?dist}
 Summary:          Analyses of Phylogenetics and Evolution
 
 License:          GPLv2 or GPLv3
@@ -16,8 +16,8 @@ Source0:          https://cran.r-project.org/src/contrib/%{packname}_%{packver}.
 # Here's the R view of the dependencies world:
 # Depends:
 # Imports:   R-nlme, R-lattice, R-graphics, R-methods, R-stats, R-tools, R-utils, R-parallel, R-Rcpp >= 0.12.0
-# Suggests:  R-gee, R-expm, R-igraph
-# LinkingTo:
+# Suggests:  R-gee, R-expm, R-igraph, R-phangorn
+# LinkingTo: R-Rcpp
 # Enhances:
 
 BuildRequires:    R-devel
@@ -35,6 +35,7 @@ BuildRequires:    R-Rcpp-devel >= 0.12.0
 BuildRequires:    R-gee
 BuildRequires:    R-expm
 BuildRequires:    R-igraph
+BuildRequires:    R-phangorn
 %endif
 
 %description
@@ -95,6 +96,11 @@ _R_CHECK_FORCE_SUGGESTS_=0 %{_bindir}/R CMD check %{packname} --no-examples
 
 
 %changelog
+* Tue Jun 15 2021 Tom Callaway <spot@fedoraproject.org> - 5.5-1
+- update to 5.5
+- bootstrap
+- Rebuilt for R 4.1.0
+
 * Mon Jun  7 2021 Tom Callaway <spot@fedoraproject.org> - 5.4.1-3
 - rebuild for R 4.1.0
 
diff --git a/sources b/sources
index b127281..233d5ee 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (ape_5.4-1.tar.gz) = 0f05f6cd27255562735d2c215c8ba2903be34be11fdd719b7f8ab40db0889c6a58d44d6d5983a4c4cfcdeaffdb06d718835dd8981045ea454177603ebac92e9e
+SHA512 (ape_5.5.tar.gz) = 875c7eb61b7c8a4077e134fc150bcea56229ee90014a6dcbd601ca1fdb85f3e83a8f127978a803fd9e69257129a95f69195b47a1f207414b7697fe491d40b1b6