diff --git a/.github/workflows/build-without-conan.yml b/.github/workflows/build-without-conan.yml
index 3a4fa6a4b9..dfacbaae7b 100644
--- a/.github/workflows/build-without-conan.yml
+++ b/.github/workflows/build-without-conan.yml
@@ -30,9 +30,9 @@ jobs:
     - name: Install boost
       run: |
         cd ${TMP_DIR}
-        wget -O boost_1_84_0.tar.gz https://sourceforge.net/projects/boost/files/boost/1.84.0/boost_1_84_0.tar.gz/download
-        tar xzvf boost_1_84_0.tar.gz
-        cd boost_1_84_0/
+        wget -O boost_1_85_0.tar.gz https://sourceforge.net/projects/boost/files/boost/1.85.0/boost_1_85_0.tar.gz/download
+        tar xzvf boost_1_85_0.tar.gz
+        cd boost_1_85_0/
         ./bootstrap.sh --prefix=${INSTALL_DIR}
         ./b2
         ./b2 install
diff --git a/build-without-conan.md b/build-without-conan.md
index 2968e8e486..b6cff2efe9 100644
--- a/build-without-conan.md
+++ b/build-without-conan.md
@@ -22,9 +22,9 @@ The versions should match the current requirements as specified in the relevant
 
 ```
 cd ${TMP_DIR}
-wget -O boost_1_84_0.tar.gz https://sourceforge.net/projects/boost/files/boost/1.84.0/boost_1_84_0.tar.gz/download
-tar xzvf boost_1_84_0.tar.gz
-cd boost_1_84_0/
+wget -O boost_1_85_0.tar.gz https://sourceforge.net/projects/boost/files/boost/1.85.0/boost_1_85_0.tar.gz/download
+tar xzvf boost_1_85_0.tar.gz
+cd boost_1_85_0/
 ./bootstrap.sh --prefix=${INSTALL_DIR}
 ./b2
 ./b2 install
diff --git a/pytket/conanfile.py b/pytket/conanfile.py
index 74890df4fe..e222e20965 100644
--- a/pytket/conanfile.py
+++ b/pytket/conanfile.py
@@ -32,12 +32,12 @@ def package(self):
         cmake.install()
 
     def requirements(self):
-        self.requires("tket/1.2.121@tket/stable")
+        self.requires("tket/1.2.122@tket/stable")
         self.requires("tklog/0.3.3@tket/stable")
         self.requires("tkrng/0.3.3@tket/stable")
         self.requires("tkassert/0.3.4@tket/stable")
-        self.requires("tkwsm/0.3.7@tket/stable")
-        self.requires("tktokenswap/0.3.7@tket/stable")
+        self.requires("tkwsm/0.3.8@tket/stable")
+        self.requires("tktokenswap/0.3.8@tket/stable")
         self.requires("symengine/0.11.2")
         self.requires("gmp/6.3.0")
         self.requires("pybind11/2.12.0")
diff --git a/tket/conanfile.py b/tket/conanfile.py
index 60a0a9624d..ed514e1483 100644
--- a/tket/conanfile.py
+++ b/tket/conanfile.py
@@ -23,7 +23,7 @@
 
 class TketConan(ConanFile):
     name = "tket"
-    version = "1.2.121"
+    version = "1.2.122"
     package_type = "library"
     license = "Apache 2"
     homepage = "https://github.com/CQCL/tket"
@@ -111,15 +111,15 @@ def package_info(self):
     def requirements(self):
         # libraries installed from remote:
         # https://quantinuumsw.jfrog.io/artifactory/api/conan/tket1-libs
-        self.requires("boost/1.84.0", transitive_headers=True)
+        self.requires("boost/1.85.0", transitive_headers=True)
         self.requires("symengine/0.11.2", transitive_headers=True)
         self.requires("eigen/3.4.0", transitive_headers=True)
         self.requires("nlohmann_json/3.11.3", transitive_headers=True)
         self.requires("tklog/0.3.3@tket/stable")
         self.requires("tkassert/0.3.4@tket/stable", transitive_headers=True)
         self.requires("tkrng/0.3.3@tket/stable")
-        self.requires("tktokenswap/0.3.7@tket/stable")
-        self.requires("tkwsm/0.3.7@tket/stable")
+        self.requires("tktokenswap/0.3.8@tket/stable")
+        self.requires("tkwsm/0.3.8@tket/stable")
         if self.build_test():
             self.test_requires("catch2/3.6.0")
         if self.build_proptest():