diff --git a/ale_linters/ada/adals.vim b/ale_linters/ada/adals.vim
new file mode 100644
index 00000000..9a41e1df
--- /dev/null
+++ b/ale_linters/ada/adals.vim
@@ -0,0 +1,26 @@
+" Author: Bartek Jasicki http://github.com/thindil
+" Description: Support for Ada Language Server
+
+call ale#Set('ada_adals_executable', 'ada_language_server')
+call ale#Set('ada_adals_project', 'default.gpr')
+call ale#Set('ada_adals_encoding', 'utf-8')
+
+function! ale_linters#ada#adals#GetAdaLSConfig(buffer) abort
+    return {
+    \   'ada.projectFile': ale#Var(a:buffer, 'ada_adals_project'),
+    \   'ada.defaultCharset': ale#Var(a:buffer, 'ada_adals_encoding')
+    \}
+endfunction
+
+function! ale_linters#ada#adals#GetRootDirectory(buffer) abort
+    return fnamemodify(bufname(a:buffer), ':p:h')
+endfunction
+
+call ale#linter#Define('ada', {
+\   'name': 'adals',
+\   'lsp': 'stdio',
+\   'executable': {b -> ale#Var(b, 'ada_adals_executable')},
+\   'command': '%e',
+\   'project_root': function('ale_linters#ada#adals#GetRootDirectory'),
+\   'lsp_config': function('ale_linters#ada#adals#GetAdaLSConfig')
+\})
diff --git a/doc/ale-ada.txt b/doc/ale-ada.txt
index 2ac30c0a..0fc55a9c 100644
--- a/doc/ale-ada.txt
+++ b/doc/ale-ada.txt
@@ -32,5 +32,35 @@ g:ale_ada_gnatpp_options                             *g:ale_ada_gnatpp_options*
   This variable can be set to pass extra options to the gnatpp fixer.
 
 
+===============================================================================
+ada-language-server                                   *ale-ada-language-server*
+
+g:ale_ada_adals_executable                         *g:ale_ada_adals_executable*
+                                                   *b:ale_ada_adals_executable*
+  Type: |String|
+  Default: `'ada_language_server'`
+
+  This variable can be changed to use a different executable for Ada Language
+  Server.
+
+
+g:ale_ada_adals_project                               *g:ale_ada_adals_project*
+                                                      *b:ale_ada_adals_project*
+  Type: |String|
+  Default: `'default.gpr'`
+
+This variable can be changed to use a different GPR file for
+Ada Language Server.
+
+
+g:ale_ada_adals_encoding                             *g:ale_ada_adals_encoding*
+                                                     *b:ale_ada_adals_encoding*
+  Type: |String|
+  Default: `'utf-8'`
+
+This variable can be changed to use a different file encoding for
+Ada Language Server.
+
+
 ===============================================================================
   vim:tw=78:ts=2:sts=2:sw=2:ft=help:norl:
diff --git a/doc/ale-supported-languages-and-tools.txt b/doc/ale-supported-languages-and-tools.txt
index a44ad75b..c3ab3690 100644
--- a/doc/ale-supported-languages-and-tools.txt
+++ b/doc/ale-supported-languages-and-tools.txt
@@ -13,6 +13,7 @@ Notes:
 `!!` These linters check only files on disk. See |ale-lint-file-linters|
 
 * Ada
+  * `ada_language_server`
   * `gcc`
   * `gnatpp`
 * Ansible
diff --git a/doc/ale.txt b/doc/ale.txt
index d73987a9..d5ea82ca 100644
--- a/doc/ale.txt
+++ b/doc/ale.txt
@@ -2596,6 +2596,7 @@ documented in additional help files.
   ada.....................................|ale-ada-options|
     gcc...................................|ale-ada-gcc|
     gnatpp................................|ale-ada-gnatpp|
+    ada-language-server...................|ale-ada-language-server|
   ansible.................................|ale-ansible-options|
     ansible-lint..........................|ale-ansible-ansible-lint|
   asciidoc................................|ale-asciidoc-options|
diff --git a/supported-tools.md b/supported-tools.md
index 8ed83d6c..31d07562 100644
--- a/supported-tools.md
+++ b/supported-tools.md
@@ -22,6 +22,7 @@ formatting.
 ---
 
 * Ada
+  * [ada_language_server](https://github.com/AdaCore/ada_language_server)
   * [gcc](https://gcc.gnu.org)
   * [gnatpp](https://docs.adacore.com/gnat_ugn-docs/html/gnat_ugn/gnat_ugn/gnat_utility_programs.html#the-gnat-pretty-printer-gnatpp) :floppy_disk:
 * Ansible
diff --git a/test/command_callback/test_adals_command_callbacks.vader b/test/command_callback/test_adals_command_callbacks.vader
new file mode 100644
index 00000000..5a04594e
--- /dev/null
+++ b/test/command_callback/test_adals_command_callbacks.vader
@@ -0,0 +1,17 @@
+Before:
+  call ale#assert#SetUpLinterTest('ada', 'adals')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(Sets adals executable):
+  let g:ale_ada_adals_executable = '/path/to /Ada'
+  AssertLinter '/path/to /Ada', ale#Escape('/path/to /Ada')
+
+Execute(Sets adals encoding):
+  let b:ale_ada_adals_encoding = 'iso-8859-1'
+  AssertLSPConfig {'ada.defaultCharset': 'iso-8859-1', 'ada.projectFile': 'default.gpr'}
+
+Execute(Sets adals project):
+  let g:ale_ada_adals_project = 'myproject.gpr'
+  AssertLSPConfig {'ada.defaultCharset': 'utf-8', 'ada.projectFile': 'myproject.gpr'}