diff --git a/.travis.yml b/.travis.yml
index 9938aec..46d3614 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -92,6 +92,7 @@ matrix:
             - zlib1g-dev
             - uuid-dev
             - libctpp2-dev
+            - libcurl4-openssl-dev
     - env: PLATFORM="win32_dyn"
       addons: &win32_addons
         apt:
@@ -114,6 +115,7 @@ matrix:
             - g++-multilib
             - libc6-dev:i386
             - libstdc++-6-dev:i386
+            - libcurl4-openssl-dev:i386
     - env: PLATFORM="i586_static"
       addons: *i586_addons
     - env: PLATFORM="android"
diff --git a/appveyor/install_kiwix-lib.cmd b/appveyor/install_kiwix-lib.cmd
index afbe3bf..42461f1 100644
--- a/appveyor/install_kiwix-lib.cmd
+++ b/appveyor/install_kiwix-lib.cmd
@@ -2,7 +2,7 @@ REM ========================================================
 REM Install kiwix-lib
 git clone https://github.com/kiwix/kiwix-lib.git || exit /b 1
 cd kiwix-lib
-meson.py . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
+meson . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
 cd build
 ninja || exit /b 1
 ninja install || exit /b 1
diff --git a/appveyor/install_libzim.cmd b/appveyor/install_libzim.cmd
index 4fe5e41..18e42d6 100644
--- a/appveyor/install_libzim.cmd
+++ b/appveyor/install_libzim.cmd
@@ -2,7 +2,7 @@ REM ========================================================
 REM Install libzim
 git clone https://github.com/openzim/libzim.git || exit /b 1
 cd libzim
-meson.py . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
+meson . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
 cd build
 ninja || exit /b 1
 ninja install || exit /b 1
diff --git a/appveyor/install_pugixml.cmd b/appveyor/install_pugixml.cmd
index 8b38374..e005d91 100644
--- a/appveyor/install_pugixml.cmd
+++ b/appveyor/install_pugixml.cmd
@@ -3,7 +3,7 @@ REM Install pugixml
 curl -fsSL -O http://public.kymeria.fr/KIWIX/windows/pugixml-1.2-meson.zip || exit /b 1
 7z x pugixml-1.2-meson.zip -o. || exit /b 1
 cd pugixml-1.2-meson
-meson.py . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
+meson . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
 cd build
 ninja || exit /b 1
 ninja install || exit /b 1
diff --git a/appveyor/install_zlib.cmd b/appveyor/install_zlib.cmd
index 31ab3ed..2e1a00b 100644
--- a/appveyor/install_zlib.cmd
+++ b/appveyor/install_zlib.cmd
@@ -3,7 +3,7 @@ REM Install zlib
 curl -fsSL -O http://public.kymeria.fr/KIWIX/windows/zlib-1.2.11.meson.zip || exit /b 1
 7z x zlib-1.2.11.meson.zip || exit /b 1
 cd zlib-1.2.11
-meson.py . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
+meson . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
 cd build
 ninja || exit /b 1
 ninja install || exit /b 1
diff --git a/kiwixbuild/dependencies/__init__.py b/kiwixbuild/dependencies/__init__.py
index 915967e..d1efa7d 100644
--- a/kiwixbuild/dependencies/__init__.py
+++ b/kiwixbuild/dependencies/__init__.py
@@ -15,7 +15,7 @@ from . import (
     kiwix_desktop,
     kiwix_lib,
     kiwix_tools,
-    libaria2,
+    libcurl,
     libmagic,
     libmicrohttpd,
     libzim,
diff --git a/kiwixbuild/dependencies/all_dependencies.py b/kiwixbuild/dependencies/all_dependencies.py
index 22883eb..eafaca5 100644
--- a/kiwixbuild/dependencies/all_dependencies.py
+++ b/kiwixbuild/dependencies/all_dependencies.py
@@ -12,7 +12,7 @@ class AllBaseDependencies(Dependency):
     class Builder(NoopBuilder):
         @classmethod
         def get_dependencies(cls, platformInfo, allDeps):
-            base_deps = ['zlib', 'lzma', 'xapian-core', 'pugixml', 'libaria2', 'icu4c']
+            base_deps = ['zlib', 'lzma', 'xapian-core', 'pugixml', 'libcurl', 'icu4c']
             # zimwriterfs
             if platformInfo.build not in ('android', 'win32'):
                 base_deps += ['libmagic', 'gumbo']
diff --git a/kiwixbuild/dependencies/kiwix_lib.py b/kiwixbuild/dependencies/kiwix_lib.py
index a72e5fe..524e6e2 100644
--- a/kiwixbuild/dependencies/kiwix_lib.py
+++ b/kiwixbuild/dependencies/kiwix_lib.py
@@ -14,7 +14,7 @@ class Kiwixlib(Dependency):
     class Builder(MesonBuilder):
         @classmethod
         def get_dependencies(cls, platformInfo, allDeps):
-            base_dependencies = ["pugixml", "libzim", "zlib", "lzma", "libaria2", "icu4c"]
+            base_dependencies = ["pugixml", "libzim", "zlib", "lzma", "libcurl", "icu4c"]
             if (platformInfo.build != 'android' and
                 neutralEnv('distname') != 'Darwin'):
                 base_dependencies += ['ctpp2c', 'ctpp2']
diff --git a/kiwixbuild/dependencies/libaria2.py b/kiwixbuild/dependencies/libaria2.py
deleted file mode 100644
index e0a5d38..0000000
--- a/kiwixbuild/dependencies/libaria2.py
+++ /dev/null
@@ -1,26 +0,0 @@
-from .base import (
-    Dependency,
-    ReleaseDownload,
-    MakeBuilder
-)
-
-from kiwixbuild.utils import Remotefile, run_command
-
-class Aria2(Dependency):
-    name = "libaria2"
-
-    class Source(ReleaseDownload):
-        archive = Remotefile('libaria2-1.33.1.tar.gz',
-                             '0616f11ef3ddd0c74be74ea2536be62ce168b99e3d6a35dea9d166b9cab9fbd1',
-                             'https://github.com/aria2/aria2/archive/release-1.33.1.tar.gz')
-
-        patches = ["libaria2_android.patch"]
-
-        def _post_prepare_script(self, context):
-            context.try_skip(self.extract_path)
-            command = "autoreconf -i"
-            run_command(command, self.extract_path, context)
-
-    class Builder(MakeBuilder):
-        dependencies = ['zlib']
-        configure_option = "--enable-libaria2 --disable-ssl --disable-bittorent --disable-metalink --without-sqlite3 --without-libxml2 --without-libexpat"
diff --git a/kiwixbuild/dependencies/libcurl.py b/kiwixbuild/dependencies/libcurl.py
new file mode 100644
index 0000000..c53acdb
--- /dev/null
+++ b/kiwixbuild/dependencies/libcurl.py
@@ -0,0 +1,21 @@
+import os
+
+from .base import (
+    Dependency,
+    ReleaseDownload,
+    MakeBuilder,
+)
+
+from kiwixbuild.utils import Remotefile, pj, Defaultdict, SkipCommand, run_command
+from kiwixbuild._global import get_target_step
+
+class LibCurl(Dependency):
+    name = "libcurl"
+
+    class Source(ReleaseDownload):
+        name = "libcurl"
+        archive = Remotefile('curl-7.61.0.tar.xz',
+                             'ef6e55192d04713673b4409ccbcb4cb6cd723137d6e10ca45b0c593a454e1720',
+                             'https://curl.haxx.se/download/curl-7.61.0.tar.xz')
+
+    Builder = MakeBuilder
diff --git a/kiwixbuild/packages.py b/kiwixbuild/packages.py
index d12ec57..f3e2d14 100644
--- a/kiwixbuild/packages.py
+++ b/kiwixbuild/packages.py
@@ -16,6 +16,7 @@ PACKAGE_NAME_MAPPERS = {
         'zimlib': None,
         'file' : ['file-devel'],
         'gumbo' : ['gumbo-parser-devel'],
+        'libcurl' : ['libcurl-devel'],
     },
     'fedora_native_static': {
         'COMMON': _fedora_common + ['glibc-static', 'libstdc++-static'],
@@ -25,6 +26,7 @@ PACKAGE_NAME_MAPPERS = {
     },
     'fedora_i586_dyn': {
         'COMMON': _fedora_common + ['glibc-devel.i686', 'libstdc++-devel.i686'],
+        'libcurl':  ['libcurl-devel.i686'],
     },
     'fedora_i586_static': {
         'COMMON': _fedora_common + ['glibc-devel.i686'],
@@ -34,6 +36,7 @@ PACKAGE_NAME_MAPPERS = {
         'zlib': ['mingw32-zlib'],
         'lzma': ['mingw32-xz-libs'],
         'libmicrohttpd': ['mingw32-libmicrohttpd'],
+        'libcurl': ['mingw32-curl'],
     },
     'fedora_win32_static': {
         'COMMON': _fedora_common + ['mingw32-gcc-c++', 'mingw32-bzip2-static', 'mingw32-win-iconv-static', 'mingw32-winpthreads-static', 'wine'],
@@ -41,6 +44,7 @@ PACKAGE_NAME_MAPPERS = {
         'lzma': ['mingw32-xz-libs-static'],
         'libmicrohttpd': None, # ['mingw32-libmicrohttpd-static'] packaging dependecy seems buggy, and some static lib are name libfoo.dll.a and
                                # gcc cannot found them.
+        'libcurl': ['mingw32-curl-static'],
     },
     'fedora_armhf_static': {
         'COMMON': _fedora_common
@@ -59,7 +63,8 @@ PACKAGE_NAME_MAPPERS = {
         'ctpp2c': ['ctpp2-utils'],
         'libmicrohttpd': ['libmicrohttpd-dev', 'ccache'],
         'qt' : ['libqt5gui5', 'qtbase5-dev', 'qt5-default'],
-        'qtwebengine' : ['qtwebengine5-dev']
+        'qtwebengine' : ['qtwebengine5-dev'],
+        'libcurl': ['libcurl4-openssl-dev'],
     },
     'debian_native_static': {
         'COMMON': _debian_common + ['libbz2-dev', 'libmagic-dev'],
@@ -67,12 +72,15 @@ PACKAGE_NAME_MAPPERS = {
         'uuid': ['uuid-dev'],
         'ctpp2': ['libctpp2-dev'],
         'ctpp2c': ['ctpp2-utils'],
+        'libcurl': ['libcurl4-openssl-dev'],
     },
     'debian_i586_dyn': {
         'COMMON': _debian_common + ['libc6-dev:i386', 'libstdc++-6-dev:i386', 'gcc-multilib', 'g++-multilib'],
+        'libcurl': ['libcurl4-openssl-dev:i386'],
     },
     'debian_i586_static': {
         'COMMON': _debian_common + ['libc6-dev:i386', 'libstdc++-6-dev:i386', 'gcc-multilib', 'g++-multilib'],
+        'libcurl': ['libcurl4-openssl-dev:i386'],
     },
     'debian_win32_dyn': {
         'COMMON': _debian_common + ['g++-mingw-w64-i686', 'gcc-mingw-w64-i686', 'gcc-mingw-w64-base', 'mingw-w64-tools'],
diff --git a/kiwixbuild/versions.py b/kiwixbuild/versions.py
index ec815dc..2d5f180 100644
--- a/kiwixbuild/versions.py
+++ b/kiwixbuild/versions.py
@@ -35,7 +35,7 @@ release_versions = {
 
 # This is the "version" of the whole base_deps_versions dict.
 # Change this when you change base_deps_versions.
-base_deps_meta_version = '11'
+base_deps_meta_version = '12'
 
 
 base_deps_versions = {
diff --git a/travis/Dockerfile b/travis/Dockerfile
index c2c4bda..8ab5812 100644
--- a/travis/Dockerfile
+++ b/travis/Dockerfile
@@ -33,6 +33,7 @@ RUN \
     ctpp2-utils \
     libctpp2-dev \
     libmicrohttpd-dev \
+    libcurl4-openssl-dev \
 # Qt packages
     libqt5gui5 \
     qtbase5-dev \
diff --git a/travis/install_extra_deps.sh b/travis/install_extra_deps.sh
index 2b58f2b..0e66639 100755
--- a/travis/install_extra_deps.sh
+++ b/travis/install_extra_deps.sh
@@ -4,8 +4,6 @@ set -e
 
 if [[ "$TRAVIS_OS_NAME" == "osx" ]]
 then
-  brew update
-  brew upgrade python3
   pip3 install pillow
   pip3 install .