diff --git a/VERSION.txt b/VERSION.txt
index 9f0adfc11..7062ff153 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-0.20251022.0
+0.20251027.0
diff --git a/src/file/file.cpp b/src/file/file.cpp
index 789f046fc..736948135 100644
--- a/src/file/file.cpp
+++ b/src/file/file.cpp
@@ -27,7 +27,7 @@ File::Impl::Impl(const std::string &pFileNameOrUrl, bool pRetrieveContents)
 {
     // Check whether we are dealing with a local file or a URL.
 
-    auto [isLocalFile, fileNameOrUrl] = retrieveFileInfo(pFileNameOrUrl);
+    auto [isLocalFile, fileNameOrUrl] = retrieveFileInfo(decodeUrl(pFileNameOrUrl));
 
     if (isLocalFile) {
         mFilePath = stringToPath(fileNameOrUrl);
diff --git a/src/misc/utils.cpp b/src/misc/utils.cpp
index c2e3eb2bb..b400b3c2e 100644
--- a/src/misc/utils.cpp
+++ b/src/misc/utils.cpp
@@ -145,6 +145,39 @@ bool fuzzyCompare(double pNb1, double pNb2)
     return std::fabs(pNb1 - pNb2) * ONE_TRILLION <= std::fmin(std::fabs(pNb1), std::fabs(pNb2));
 }
 
+std::string encodeUrl(const std::string &pUrl)
+{
+    std::ostringstream res;
+
+    for (const char c : pUrl) {
+        if ((isalnum(c) != 0) || (std::string("!#$&'()*+,-./:;=?@_~").find(c) != std::string::npos)) {
+            res << c;
+        } else {
+            res << '%' << std::uppercase << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(static_cast<unsigned char>(c));
+        }
+    }
+    return res.str();
+}
+
+std::string decodeUrl(const std::string &pUrl)
+{
+    static constexpr auto BASE_16 = 16;
+
+    std::string res;
+
+    for (size_t i = 0; i < pUrl.size(); ++i) {
+        if ((pUrl[i] == '%') && (i + 2 < pUrl.size()) && (std::isxdigit(pUrl[i + 1]) != 0) && (std::isxdigit(pUrl[i + 2]) != 0)) {
+            res += static_cast<char>(std::stoi(pUrl.substr(i + 1, 2), nullptr, BASE_16));
+
+            i += 2;
+        } else {
+            res += pUrl[i];
+        }
+    }
+
+    return res;
+}
+
 #ifdef BUILDING_USING_MSVC
 std::string forwardSlashPath(const std::string &pPath)
 {
@@ -436,7 +469,7 @@ std::tuple<bool, std::filesystem::path> downloadFile(const std::string &pUrl)
 
     curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
     curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
-    curl_easy_setopt(curl, CURLOPT_URL, pUrl.c_str());
+    curl_easy_setopt(curl, CURLOPT_URL, encodeUrl(pUrl).c_str());
     curl_easy_setopt(curl, CURLOPT_WRITEDATA, static_cast<void *>(&file));
     curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curlWriteFunction);
 
diff --git a/src/misc/utils.h b/src/misc/utils.h
index f3928ea07..816031073 100644
--- a/src/misc/utils.h
+++ b/src/misc/utils.h
@@ -78,6 +78,9 @@ void LIBOPENCOR_UNIT_TESTING_EXPORT printArray(const std::string &pName, const D
 
 bool LIBOPENCOR_UNIT_TESTING_EXPORT fuzzyCompare(double pNb1, double pNb2);
 
+std::string LIBOPENCOR_UNIT_TESTING_EXPORT encodeUrl(const std::string &pUrl);
+std::string LIBOPENCOR_UNIT_TESTING_EXPORT decodeUrl(const std::string &pUrl);
+
 #ifdef BUILDING_USING_MSVC
 std::string LIBOPENCOR_UNIT_TESTING_EXPORT forwardSlashPath(const std::string &pPath);
 #endif
diff --git a/tests/api/file/basictests.cpp b/tests/api/file/basictests.cpp
index 00466beda..4abf091df 100644
--- a/tests/api/file/basictests.cpp
+++ b/tests/api/file/basictests.cpp
@@ -104,6 +104,17 @@ TEST(BasicFileTest, remoteFile)
     EXPECT_FALSE(file->contents().empty());
 }
 
+TEST(BasicFileTest, encodedRemoteFile)
+{
+    auto file = libOpenCOR::File::create(libOpenCOR::ENCODED_REMOTE_FILE);
+
+    EXPECT_EQ(file->type(), libOpenCOR::File::Type::CELLML_FILE);
+    EXPECT_NE(file->fileName(), "");
+    EXPECT_EQ(file->url(), libOpenCOR::NON_ENCODED_REMOTE_FILE);
+    EXPECT_EQ(file->path(), libOpenCOR::NON_ENCODED_REMOTE_FILE);
+    EXPECT_FALSE(file->contents().empty());
+}
+
 TEST(BasicFileTest, localVirtualFile)
 {
     auto file = libOpenCOR::File::create(libOpenCOR::resourcePath(libOpenCOR::UNKNOWN_FILE), false);
diff --git a/tests/bindings/javascript/file.basic.test.js b/tests/bindings/javascript/file.basic.test.js
index e0d3b5082..90ad4813a 100644
--- a/tests/bindings/javascript/file.basic.test.js
+++ b/tests/bindings/javascript/file.basic.test.js
@@ -77,6 +77,23 @@ test.describe('File basic tests', () => {
     assertIssues(loc, file, expectedUnknownFileIssues);
   });
 
+  test('Encoded remote file', () => {
+    const file = new loc.File(utils.ENCODED_REMOTE_FILE);
+
+    assert.strictEqual(file.type.value, loc.File.Type.UNKNOWN_FILE.value);
+    assert.strictEqual(file.fileName, '/some/path/file');
+    assert.strictEqual(file.url, utils.NON_ENCODED_REMOTE_FILE);
+    assert.strictEqual(file.path, utils.NON_ENCODED_REMOTE_FILE);
+    assert.deepStrictEqual(file.contents(), utils.NO_CONTENTS);
+    assertIssues(loc, file, expectedNoIssues);
+
+    file.setContents(unknownContentsPtr, utils.UNKNOWN_CONTENTS.length);
+
+    assert.strictEqual(file.type.value, loc.File.Type.UNKNOWN_FILE.value);
+    assert.deepStrictEqual(file.contents(), utils.UNKNOWN_CONTENTS);
+    assertIssues(loc, file, expectedUnknownFileIssues);
+  });
+
   test('File manager', () => {
     const fileManager = loc.FileManager.instance();
 
diff --git a/tests/bindings/javascript/utils.in.js b/tests/bindings/javascript/utils.in.js
index f42151a46..d73d3b992 100644
--- a/tests/bindings/javascript/utils.in.js
+++ b/tests/bindings/javascript/utils.in.js
@@ -35,6 +35,10 @@ export const HTTP_REMOTE_COMBINE_ARCHIVE =
   'http://raw.githubusercontent.com/opencor/libopencor/master/tests/res/cellml_2.omex';
 export const REMOTE_BASE_PATH = 'https://raw.githubusercontent.com/opencor/libopencor/master/tests/res';
 export const REMOTE_FILE = 'https://raw.githubusercontent.com/opencor/libopencor/master/tests/res/cellml_2.cellml';
+export const ENCODED_REMOTE_FILE =
+  'https://models.physiomeproject.org/workspace/aed/@@rawfile/d4accf8429dbf5bdd5dfa1719790f361f5baddbe/FAIRDO%20BG%20example%203.1.cellml';
+export const NON_ENCODED_REMOTE_FILE =
+  'https://models.physiomeproject.org/workspace/aed/@@rawfile/d4accf8429dbf5bdd5dfa1719790f361f5baddbe/FAIRDO BG example 3.1.cellml';
 
 export const NO_CONTENTS = stringToArrayBuffer('');
 export const NULL_CHARACTER_CONTENTS = stringToArrayBuffer('\0');
diff --git a/tests/bindings/python/test_file_basic.py b/tests/bindings/python/test_file_basic.py
index 757c6bc40..202f3fbe8 100644
--- a/tests/bindings/python/test_file_basic.py
+++ b/tests/bindings/python/test_file_basic.py
@@ -104,6 +104,16 @@ def test_remote_file():
     assert file.contents != []
 
 
+def test_encoded_remote_file():
+    file = loc.File(utils.EncodedRemoteFile)
+
+    assert file.type == loc.File.Type.CellmlFile
+    assert file.file_name != ""
+    assert file.url == utils.NonEncodedRemoteFile
+    assert file.path == utils.NonEncodedRemoteFile
+    assert file.contents != []
+
+
 def test_local_virtual_file():
     file = loc.File(utils.resource_path(utils.UnknownFile), False)
 
diff --git a/tests/bindings/python/utils.in.py b/tests/bindings/python/utils.in.py
index 314122f36..0388e9b22 100644
--- a/tests/bindings/python/utils.in.py
+++ b/tests/bindings/python/utils.in.py
@@ -52,6 +52,8 @@
 )
 RemoteBasePath = "https://raw.githubusercontent.com/opencor/libopencor/master/tests/res"
 RemoteFile = "https://raw.githubusercontent.com/opencor/libopencor/master/tests/res/cellml_2.cellml"
+EncodedRemoteFile = "https://models.physiomeproject.org/workspace/aed/@@rawfile/d4accf8429dbf5bdd5dfa1719790f361f5baddbe/FAIRDO%20BG%20example%203.1.cellml"
+NonEncodedRemoteFile = "https://models.physiomeproject.org/workspace/aed/@@rawfile/d4accf8429dbf5bdd5dfa1719790f361f5baddbe/FAIRDO BG example 3.1.cellml"
 UnknownRemoteFile = "https://raw.githubusercontent.com/opencor/libopencor/master/tests/res/unknown_file.txt"
 IrretrievableRemoteFile = "https://some.domain.com/irretrievable_file.txt"
 
diff --git a/tests/misc/failingsimulationtests.cpp b/tests/misc/failingsimulationtests.cpp
index 73edd599d..82b8f8c7c 100644
--- a/tests/misc/failingsimulationtests.cpp
+++ b/tests/misc/failingsimulationtests.cpp
@@ -22,7 +22,7 @@ TEST(FailingSimulationTest, basic)
 {
     // Default simulation.
 
-    auto file = libOpenCOR::File::create(libOpenCOR::resourcePath("../misc/res/tt04.omex"));
+    auto file = libOpenCOR::File::create(libOpenCOR::resourcePath("misc/failablesimulation.omex"));
     auto document = libOpenCOR::SedDocument::create(file);
     auto instance = document->instantiate();
 
diff --git a/tests/misc/tests.cmake b/tests/misc/tests.cmake
index 5336fe44d..6bbdbb438 100644
--- a/tests/misc/tests.cmake
+++ b/tests/misc/tests.cmake
@@ -20,4 +20,5 @@ set(${TEST}_CATEGORY)
 set(${TEST}_SOURCE_FILES
     ${CMAKE_CURRENT_LIST_DIR}/compilertests.cpp
     ${CMAKE_CURRENT_LIST_DIR}/failingsimulationtests.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/utils.cpp
 )
diff --git a/tests/misc/utils.cpp b/tests/misc/utils.cpp
new file mode 100644
index 000000000..457358ccf
--- /dev/null
+++ b/tests/misc/utils.cpp
@@ -0,0 +1,35 @@
+/*
+Copyright libOpenCOR contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#include "utils.h"
+
+#include "tests/utils.h"
+
+TEST(UtilsTest, encodeUrl)
+{
+    EXPECT_EQ(libOpenCOR::encodeUrl(" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~"),
+              "%20!%22#$%25&'()*+,-./0123456789:;%3C=%3E?@ABCDEFGHIJKLMNOPQRSTUVWXYZ%5B%5C%5D%5E_%60abcdefghijklmnopqrstuvwxyz%7B%7C%7D~");
+}
+
+TEST(UtilsTest, decodeUrl)
+{
+    EXPECT_EQ(libOpenCOR::decodeUrl("%20!%22#$%25&'()*+,-./0123456789:;%3C=%3E?@ABCDEFGHIJKLMNOPQRSTUVWXYZ%5B%5C%5D%5E_%60abcdefghijklmnopqrstuvwxyz%7B%7C%7D~"),
+              " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~");
+    EXPECT_EQ(libOpenCOR::decodeUrl("%"), "%");
+    EXPECT_EQ(libOpenCOR::decodeUrl("%X"), "%X");
+    EXPECT_EQ(libOpenCOR::decodeUrl("%XX"), "%XX");
+    EXPECT_EQ(libOpenCOR::decodeUrl("%2X"), "%2X");
+}
diff --git a/tests/misc/res/tt04.omex b/tests/res/misc/failablesimulation.omex
similarity index 100%
rename from tests/misc/res/tt04.omex
rename to tests/res/misc/failablesimulation.omex
diff --git a/tests/utils.in.h b/tests/utils.in.h
index 2b117f78f..be4ddb929 100644
--- a/tests/utils.in.h
+++ b/tests/utils.in.h
@@ -56,6 +56,8 @@ static constexpr auto HTTP_REMOTE_SEDML_FILE = "http://raw.githubusercontent.com
 static constexpr auto HTTP_REMOTE_COMBINE_ARCHIVE = "http://raw.githubusercontent.com/opencor/libopencor/master/tests/res/cellml_2.omex";
 static constexpr auto REMOTE_BASE_PATH = "https://raw.githubusercontent.com/opencor/libopencor/master/tests/res";
 static constexpr auto REMOTE_FILE = "https://raw.githubusercontent.com/opencor/libopencor/master/tests/res/cellml_2.cellml";
+static constexpr auto ENCODED_REMOTE_FILE = "https://models.physiomeproject.org/workspace/aed/@@rawfile/d4accf8429dbf5bdd5dfa1719790f361f5baddbe/FAIRDO%20BG%20example%203.1.cellml";
+static constexpr auto NON_ENCODED_REMOTE_FILE = "https://models.physiomeproject.org/workspace/aed/@@rawfile/d4accf8429dbf5bdd5dfa1719790f361f5baddbe/FAIRDO BG example 3.1.cellml";
 static constexpr auto UNKNOWN_REMOTE_FILE = "https://raw.githubusercontent.com/opencor/libopencor/master/tests/res/unknown_file.txt";
 static constexpr auto IRRETRIEVABLE_REMOTE_FILE = "https://some.domain.com/irretrievable_file.txt";