diff --git a/packages/dev-python/python-sipsimple/files/d75b225e566cae2c998504dc5cd76bb30226cb43.patch b/packages/dev-python/python-sipsimple/files/d75b225e566cae2c998504dc5cd76bb30226cb43.patch
deleted file mode 100644
index d86f3ad1..00000000
--- a/packages/dev-python/python-sipsimple/files/d75b225e566cae2c998504dc5cd76bb30226cb43.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-Upstream: Yes
-Source: https://github.com/AGProjects/python3-sipsimple/commit/d75b225e566cae2c998504dc5cd76bb30226cb43
-
-From d75b225e566cae2c998504dc5cd76bb30226cb43 Mon Sep 17 00:00:00 2001
-From: Adrian Georgescu <ag@ag-projects.com>
-Date: Tue, 16 Mar 2021 13:54:03 +0000
-Subject: [PATCH] Decode uri.transport if is bytes in DNS Lookup
-
----
- sipsimple/lookup.py | 5 +++--
- 1 file changed, 3 insertions(+), 2 deletions(-)
-
-diff --git a/sipsimple/lookup.py b/sipsimple/lookup.py
-index 8ce86a92..27672da7 100644
---- a/sipsimple/lookup.py
-+++ b/sipsimple/lookup.py
-@@ -255,8 +255,9 @@ def lookup_sip_proxy(self, uri, supported_transports, timeout=3.0, lifetime=15.0
- 
-         try:
-             # If the host part of the URI is an IP address, we will not do any lookup
-+            transport = uri.transport.decode() if isinstance(uri.transport, bytes) else uri.transport
-             if re.match("^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$", uri.host.decode()):
--                transport = 'tls' if uri.secure else uri.transport.lower()
-+                transport = 'tls' if uri.secure else transport.lower()
-                 if transport not in supported_transports:
-                     raise DNSLookupError("IP transport %s dictated by URI is not supported" % transport)
-                 port = uri.port or (5061 if transport=='tls' else 5060)
-@@ -270,7 +271,7 @@ def lookup_sip_proxy(self, uri, supported_transports, timeout=3.0, lifetime=15.0
- 
-             # If the port is specified in the URI, we will only do an A lookup
-             if uri.port:
--                transport = 'tls' if uri.secure else uri.transport.lower()
-+                transport = 'tls' if uri.secure else transport.lower()
-                 if transport not in supported_transports:
-                     raise DNSLookupError("Host transport %s dictated by URI is not supported" % transport)
-                 addresses = self._lookup_a_records(resolver, [uri.host.decode()], log_context=log_context)
diff --git a/packages/dev-python/python-sipsimple/files/python-sipsimple-gcc10-fix.patch b/packages/dev-python/python-sipsimple/files/python-sipsimple-gcc10-fix.patch
deleted file mode 100644
index 3d70a8f5..00000000
--- a/packages/dev-python/python-sipsimple/files/python-sipsimple-gcc10-fix.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-Upstream: Submitted
-Source: https://github.com/AGProjects/python-sipsimple/pull/10
-
-From 052f7301a0c906c4117dff5453222f12e768bb49 Mon Sep 17 00:00:00 2001
-From: Tom Briden <tom@decompile.me.uk>
-Date: Thu, 23 Jul 2020 19:22:30 +0100
-Subject: [PATCH] Fix multiple definition of `PJ_ATTR_MAY_ALIAS' with GCC-10
-
----
- deps/pjsip/pjlib/include/pj/list.h | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/deps/pjsip/pjlib/include/pj/list.h b/deps/pjsip/pjlib/include/pj/list.h
-index 880f58d4..50510fe3 100644
---- a/deps/pjsip/pjlib/include/pj/list.h
-+++ b/deps/pjsip/pjlib/include/pj/list.h
-@@ -71,7 +71,7 @@ PJ_BEGIN_DECL
-  * must initialize the 'value' member to an appropriate value (typically the
-  * owner itself).
-  */
--struct pj_list
-+extern struct pj_list
- {
-     PJ_DECL_LIST_MEMBER(void);
- } PJ_ATTR_MAY_ALIAS; /* may_alias avoids warning with gcc-4.4 -Wall -O2 */
diff --git a/packages/dev-python/python-sipsimple/python-sipsimple-4.0.1.exheres-0 b/packages/dev-python/python-sipsimple/python-sipsimple-5.2.6.exheres-0
similarity index 51%
rename from packages/dev-python/python-sipsimple/python-sipsimple-4.0.1.exheres-0
rename to packages/dev-python/python-sipsimple/python-sipsimple-5.2.6.exheres-0
index ebddf7ff..de7cebc8 100644
--- a/packages/dev-python/python-sipsimple/python-sipsimple-4.0.1.exheres-0
+++ b/packages/dev-python/python-sipsimple/python-sipsimple-5.2.6.exheres-0
@@ -7,6 +7,13 @@ require setup-py [ import=distutils blacklist="2" multibuild=false ]
 SUMMARY="SIP SIMPLE client SDK is a Software Development Kit"
 HOMEPAGE="http://sipsimpleclient.org ${HOMEPAGE}"
 
+ZRTPCPP_SHA="6b3cd8e6783642292bad0c21e3e5e5ce45ff3e03"
+
+DOWNLOADS+="
+    https://github.com/pjsip/pjproject/archive/2.10.tar.gz
+    https://github.com/wernerd/ZRTPCPP/archive/6b3cd8e6783642292bad0c21e3e5e5ce45ff3e03.tar.gz -> ZRTPCPP-${ZRTPCPP_SHA}.tar.gz
+"
+
 LICENCES="GPL-3"
 SLOT="0"
 PLATFORMS="~amd64 ~x86"
@@ -31,6 +38,7 @@ DEPENDENCIES="
         providers:openssl? ( dev-libs/openssl )
     run:
         dev-python/dnspython[python_abis:*(-)?]
+        dev-python/gevent[python_abis:*(-)?]
         dev-python/greenlet[python_abis:*(-)?]
         dev-python/lxml[python_abis:*(-)?]
         dev-python/python-dateutil[python_abis:*(-)?]
@@ -46,10 +54,41 @@ DEPENDENCIES="
 
 DEFAULT_SRC_PREPARE_PATCHES=(
     "${FILES}"/${PN}-fix-build.patch
-    "${FILES}"/${PN}-gcc10-fix.patch
-    "${FILES}"/d75b225e566cae2c998504dc5cd76bb30226cb43.patch
 )
 
+src_prepare() {
+    setup-py_src_prepare
+
+    # MOst of this is straight from get_dependencies.sh but that
+    # wants to download the dependencies directly so we can't use it
+    edo mkdir "${WORK}"/deps/pjsip
+    edo mv "${WORKBASE}"/pjproject*/* "${WORK}"/deps/pjsip/
+
+    edo pushd "${WORK}"/deps/
+
+    # Copy wrapper from old version to third_party/zsrtp/
+    edo mkdir ./pjsip/third_party/zsrtp
+    cp -r zsrtp/include ./pjsip/third_party/zsrtp/
+    cp -r zsrtp/srtp    ./pjsip/third_party/zsrtp/
+    cp -r zsrtp/build   ./pjsip/third_party/build/zsrtp
+
+    # Copy new version to third_party/zsrtp/
+    mkdir ./pjsip/third_party/zsrtp/zrtp
+    cp -r "${WORKBASE}"/ZRTPCPP-"${ZRTPCPP_SHA}"/bnlib ./pjsip/third_party/zsrtp/zrtp/
+    cp -r "${WORKBASE}"/ZRTPCPP-"${ZRTPCPP_SHA}"/common ./pjsip/third_party/zsrtp/zrtp/
+    cp -r "${WORKBASE}"/ZRTPCPP-"${ZRTPCPP_SHA}"/cryptcommon ./pjsip/third_party/zsrtp/zrtp/
+    cp -r "${WORKBASE}"/ZRTPCPP-"${ZRTPCPP_SHA}"/srtp ./pjsip/third_party/zsrtp/zrtp/
+    cp -r "${WORKBASE}"/ZRTPCPP-"${ZRTPCPP_SHA}"/zrtp ./pjsip/third_party/zsrtp/zrtp/
+    cp "${WORKBASE}"/ZRTPCPP-"${ZRTPCPP_SHA}"/COPYING ./pjsip/third_party/zsrtp/zrtp/
+    cp "${WORKBASE}"/ZRTPCPP-"${ZRTPCPP_SHA}"/README.md ./pjsip/third_party/zsrtp/zrtp/
+
+    for p in patches/*.patch; do
+        expatch -p0 "${p}"
+    done
+
+    edo popd
+}
+
 src_compile() {
     # breaks horribly with 'ld'
     export LD=${CC}