diff --git a/.gitignore b/.gitignore
index 75ac67e..a26fdc3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@
 /httpuv_1.6.0.tar.gz
 /httpuv_1.6.1.tar.gz
 /httpuv_1.6.5.tar.gz
+/httpuv_1.6.6.tar.gz
diff --git a/0001-Use-unbundled-libuv-new.patch b/0001-Use-unbundled-libuv-new.patch
index b4af18b..ccd0275 100644
--- a/0001-Use-unbundled-libuv-new.patch
+++ b/0001-Use-unbundled-libuv-new.patch
@@ -1,12 +1,6 @@
-diff -up httpuv/src/callbackqueue.cpp.system httpuv/src/callbackqueue.cpp
-diff -up httpuv/src/callbackqueue.h.system httpuv/src/callbackqueue.h
-diff -up httpuv/src/http.h.system httpuv/src/http.h
-diff -up httpuv/src/httprequest.h.system httpuv/src/httprequest.h
-diff -up httpuv/src/httpresponse.cpp.system httpuv/src/httpresponse.cpp
-diff -up httpuv/src/httpuv.cpp.system httpuv/src/httpuv.cpp
 diff -up httpuv/src/Makevars.system httpuv/src/Makevars
---- httpuv/src/Makevars.system	2021-12-13 14:41:14.000000000 -0500
-+++ httpuv/src/Makevars	2022-09-01 21:19:46.407616592 -0400
+--- httpuv/src/Makevars.system	2022-09-08 12:53:08.000000000 -0400
++++ httpuv/src/Makevars	2022-09-08 22:46:51.777128485 -0400
 @@ -5,7 +5,7 @@ CXX_STD=CXX11
  
  UNAME := $(shell uname)
@@ -25,7 +19,7 @@ diff -up httpuv/src/Makevars.system httpuv/src/Makevars
  
  # To avoid spurious warnings from `R CMD check --as-cran`, about compiler
  # warning flags like -Werror.
-@@ -43,49 +43,4 @@ CONFIGURE_FLAGS="--quiet"
+@@ -43,50 +43,4 @@ CONFIGURE_FLAGS="--quiet"
  # PKG_CPPFLAGS += -D_GLIBCXX_ASSERTIONS
  
  
@@ -63,7 +57,8 @@ diff -up httpuv/src/Makevars.system httpuv/src/Makevars
 -		touch aclocal.m4; \
 -		touch -r aclocal.m4 configure Makefile.in; \
 -	else \
--		echo "automake found. Running autogen.sh."; \
+-		echo "automake found. Running autoupdate and autogen.sh."; \
+-		autoupdate; \
 -		sh autogen.sh; \
 -	fi; \
 -	chmod +x configure; \
@@ -76,8 +71,3 @@ diff -up httpuv/src/Makevars.system httpuv/src/Makevars
 -clean:
 -	$(MAKE) --directory=libuv distclean
 +$(SHLIB): http-parser/http_parser.o sha1/sha1.o base64/base64.o
-diff -up httpuv/src/socket.cpp.system httpuv/src/socket.cpp
-diff -up httpuv/src/socket.h.system httpuv/src/socket.h
-diff -up httpuv/src/thread.h.system httpuv/src/thread.h
-diff -up httpuv/src/uvutil.h.system httpuv/src/uvutil.h
-diff -up httpuv/src/webapplication.h.system httpuv/src/webapplication.h
diff --git a/R-httpuv.spec b/R-httpuv.spec
index 8bd32e0..e335206 100644
--- a/R-httpuv.spec
+++ b/R-httpuv.spec
@@ -1,7 +1,7 @@
 %bcond_with bootstrap
 
 %global packname httpuv
-%global packver  1.6.5
+%global packver  1.6.6
 %global rlibdir  %{_libdir}/R/library
 
 Name:             R-%{packname}
@@ -94,6 +94,9 @@ export LANG=C.UTF-8
 
 
 %changelog
+* Thu Sep  8 2022 Tom Callaway <spot@fedoraproject.org> - 1.6.6-1
+- update to 1.6.6
+
 * Thu Sep  1 2022 Tom Callaway <spot@fedoraproject.org> - 1.6.5-1
 - update to 1.6.5
 - rebuild for R 4.2.1
diff --git a/sources b/sources
index 925f59b..e950ecf 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (httpuv_1.6.5.tar.gz) = aaa3d6551d37b955b68072dc8e61a23d8c1c0b288dc5249aa46ab242682aef278e9f3a42e84809c68b4b6136f846171d8e4134eeb6b08749ed3758ef3752b79e
+SHA512 (httpuv_1.6.6.tar.gz) = 3e8fb4f2a7f5cb2d2c0b6500f47d4374182b2c6a108c93ddcadf7cd6a5f5ca94efd76f6049b6a5de9c5365c471e50e42a545e16d6b661ed1f4fb48dd425e147c