diff --git a/VERSION.txt b/VERSION.txt
index 372a18a92..245d68e4f 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-1.20261020.0
+1.20261029.0
diff --git a/src/3rdparty/libCellML/CMakeLists.txt b/src/3rdparty/libCellML/CMakeLists.txt
index 4d2574c48..4cabdf15d 100644
--- a/src/3rdparty/libCellML/CMakeLists.txt
+++ b/src/3rdparty/libCellML/CMakeLists.txt
@@ -13,9 +13,9 @@
 # limitations under the License.
 
 set(PACKAGE_NAME libCellML)
-set(PACKAGE_VERSION 2026-10-13)
+set(PACKAGE_VERSION 2026-10-29)
 set(PACKAGE_REPOSITORY libcellml)
-set(RELEASE_TAG 2026-10-13)
+set(RELEASE_TAG 2026-10-29)
 set(INSTALL_DIR ${PREBUILT_DIR}/${PACKAGE_NAME})
 
 if(WIN32 AND NOT RELEASE_MODE)
@@ -70,49 +70,49 @@ if(LIBOPENCOR_PREBUILT_LIBCELLML)
     if(EMSCRIPTEN)
         retrieve_package(${PACKAGE_NAME} ${PACKAGE_VERSION}
                          ${PACKAGE_REPOSITORY} ${RELEASE_TAG}
-                         c9461298482d45a5ed3d7111995a83c44aad811a)
+                         b0b2b2d709ccec251caf4a6fbaeba9908eb0357b)
     else()
         if(WIN32)
             if(RELEASE_MODE)
                 if(INTEL_MODE)
                     retrieve_package(${PACKAGE_NAME} ${PACKAGE_VERSION}
                                      ${PACKAGE_REPOSITORY} ${RELEASE_TAG}
-                                     f66ae31413b477831207ec81bcb7e98bc45e545c)
+                                     c92f68ba407220910188c48cefa28790a2835845)
                 else()
                     retrieve_package(${PACKAGE_NAME} ${PACKAGE_VERSION}
                                      ${PACKAGE_REPOSITORY} ${RELEASE_TAG}
-                                     eb8364536d585621dfea2d724ad84875a18d53bd)
+                                     fa8776f96e9b52be0e98d91da02623d08615ad97)
                 endif()
             else()
                 if(INTEL_MODE)
                     retrieve_package(${PACKAGE_NAME} ${PACKAGE_VERSION}
                                      ${PACKAGE_REPOSITORY} ${RELEASE_TAG}
-                                     82f044b0056df4aed5eeca6b6de3eec5a294dd80)
+                                     70358d8858a9e9aa3c76a8c73722c5e1fb52325a)
                 else()
                     retrieve_package(${PACKAGE_NAME} ${PACKAGE_VERSION}
                                      ${PACKAGE_REPOSITORY} ${RELEASE_TAG}
-                                     7402b683587d89e9f52e39e05a2cbfc7592dca77)
+                                     398a41a28cfbc36069a95bab1a887a858aa20453)
                 endif()
             endif()
         elseif(APPLE)
             if(INTEL_MODE)
                 retrieve_package(${PACKAGE_NAME} ${PACKAGE_VERSION}
                                  ${PACKAGE_REPOSITORY} ${RELEASE_TAG}
-                                 ad07ba31235b6dfe2ecfbe882238a4dadcef1ae0)
+                                 a2437ff44cf14155f1c4102df4a1570c2e4915c7)
             else()
                 retrieve_package(${PACKAGE_NAME} ${PACKAGE_VERSION}
                                  ${PACKAGE_REPOSITORY} ${RELEASE_TAG}
-                                 6345afec47e7342c607995c796a22da32dc401b6)
+                                 edc9144be7c2f157dd6498e491c5f993baf7fc9b)
             endif()
         else()
             if(INTEL_MODE)
                 retrieve_package(${PACKAGE_NAME} ${PACKAGE_VERSION}
                                  ${PACKAGE_REPOSITORY} ${RELEASE_TAG}
-                                 f41140e3453affe3a2460c2d1c67b506991358c8)
+                                 5a29376c6a5655093c761de2e04db405048cd51f)
             else()
                 retrieve_package(${PACKAGE_NAME} ${PACKAGE_VERSION}
                                  ${PACKAGE_REPOSITORY} ${RELEASE_TAG}
-                                 50c86cfd8958bb355a823ab57f0fec3cf0a8754a)
+                                 eed442abf2ce3d1c48bb2ae865b275e23035af82)
             endif()
         endif()
     endif()
diff --git a/tests/api/version/tests.cpp b/tests/api/version/tests.cpp
index bd6105690..88ff441c3 100644
--- a/tests/api/version/tests.cpp
+++ b/tests/api/version/tests.cpp
@@ -61,8 +61,8 @@ TEST(VersionTest, libOpenCOR)
 
 TEST(VersionTest, libCellML)
 {
-    EXPECT_EQ(0x000701U, libOpenCOR::libcellmlVersion());
-    EXPECT_EQ("0.7.1", libOpenCOR::libcellmlVersionString());
+    EXPECT_EQ(0x000702U, libOpenCOR::libcellmlVersion());
+    EXPECT_EQ("0.7.2", libOpenCOR::libcellmlVersionString());
 }
 
 TEST(VersionTest, libCOMBINE)
diff --git a/tests/bindings/javascript/version.test.js b/tests/bindings/javascript/version.test.js
index 47429a8c8..f4bdd8465 100644
--- a/tests/bindings/javascript/version.test.js
+++ b/tests/bindings/javascript/version.test.js
@@ -58,8 +58,8 @@ test.describe('Version tests', () => {
   });
 
   test('libCellML', () => {
-    assert.strictEqual(loc.libcellmlVersion(), 0x000701);
-    assert.strictEqual(loc.libcellmlVersionString(), '0.7.1');
+    assert.strictEqual(loc.libcellmlVersion(), 0x000702);
+    assert.strictEqual(loc.libcellmlVersionString(), '0.7.2');
 
     // The version is a number and the version string is a string.
     // Note: this has no C++ equivalent since C++ is statically typed.
diff --git a/tests/bindings/python/test_version.py b/tests/bindings/python/test_version.py
index d36f46d67..e368b2285 100644
--- a/tests/bindings/python/test_version.py
+++ b/tests/bindings/python/test_version.py
@@ -56,8 +56,8 @@ def test_libopencor():
 
 
 def test_libcellml():
-    assert loc.libcellml_version() == 0x000701
-    assert loc.libcellml_version_string() == "0.7.1"
+    assert loc.libcellml_version() == 0x000702
+    assert loc.libcellml_version_string() == "0.7.2"
 
     # The version is an integer and the version string is a string.
     # Note: this has no C++ equivalent since C++ is statically typed.