diff --git a/book/src/generated/lang-support.md b/book/src/generated/lang-support.md
index c9668549e..9149acadf 100644
--- a/book/src/generated/lang-support.md
+++ b/book/src/generated/lang-support.md
@@ -132,6 +132,7 @@
 | po | ✓ | ✓ |  |  |
 | pod | ✓ |  |  |  |
 | ponylang | ✓ | ✓ | ✓ |  |
+| powershell | ✓ |  |  |  |
 | prisma | ✓ |  |  | `prisma-language-server` |
 | prolog |  |  |  | `swipl` |
 | protobuf | ✓ | ✓ | ✓ | `bufls`, `pb` |
diff --git a/languages.toml b/languages.toml
index 49672a30b..70953b990 100644
--- a/languages.toml
+++ b/languages.toml
@@ -3259,3 +3259,17 @@ indent = { tab-width = 4, unit = "    " }
 [[grammar]]
 name = "fidl"
 source = { git = "https://github.com/google/tree-sitter-fidl", rev = "bdbb635a7f5035e424f6173f2f11b9cd79703f8d" }
+
+[[language]]
+name = "powershell"
+scope = "source.powershell"
+injection-regex = "(pwsh|powershell)"
+file-types = [ "ps1", "psm1", "psd1", "pscc", "psrc" ]
+shebangs = [ "pwsh", "powershell" ]
+comment-token = '#'
+block-comment-tokens = { start = "<#", end = "#>" }
+indent = { tab-width = 4, unit = "    " }
+
+[[grammar]]
+name = "powershell"
+source = { git = "https://github.com/airbus-cert/tree-sitter-powershell", rev = "c9316be0faca5d5b9fd3b57350de650755f42dc0" }
diff --git a/runtime/queries/powershell/highlights.scm b/runtime/queries/powershell/highlights.scm
new file mode 100644
index 000000000..c62c72814
--- /dev/null
+++ b/runtime/queries/powershell/highlights.scm
@@ -0,0 +1,174 @@
+[
+  "if"
+  "elseif"
+  "else"
+  "switch"
+] @keyword.control.conditional
+
+[
+  "foreach"
+  "for"
+  "while"
+  "do"
+  "until"
+] @keyword.control.repeat
+
+[
+  "break"
+  "continue"
+  "return"
+] @keyword.control.return
+
+"in" @keyword.operator
+
+"function" @keyword.function
+
+[
+  "class"
+  "enum"
+] @keyword.storage.type
+
+[
+  "param"
+  "dynamicparam"
+  "begin"
+  "process"
+  "end"
+  "filter"
+  "workflow"
+  "throw"
+  "exit"
+  "trap"
+  "try"
+  "catch"
+  "finally"
+  "data"
+  "inlinescript"
+  "parallel"
+  "sequence"
+] @keyword
+
+[
+  "-as"
+  "-ccontains"
+  "-ceq"
+  "-cge"
+  "-cgt"
+  "-cle"
+  "-clike"
+  "-clt"
+  "-cmatch"
+  "-cne"
+  "-cnotcontains"
+  "-cnotlike"
+  "-cnotmatch"
+  "-contains"
+  "-creplace"
+  "-csplit"
+  "-eq"
+  "-ge"
+  "-gt"
+  "-icontains"
+  "-ieq"
+  "-ige"
+  "-igt"
+  "-ile"
+  "-ilike"
+  "-ilt"
+  "-imatch"
+  "-in"
+  "-ine"
+  "-inotcontains"
+  "-inotlike"
+  "-inotmatch"
+  "-ireplace"
+  "-is"
+  "-isnot"
+  "-isplit"
+  "-join"
+  "-le"
+  "-like"
+  "-lt"
+  "-match"
+  "-ne"
+  "-not"
+  "-notcontains"
+  "-notin"
+  "-notlike"
+  "-notmatch"
+  "-replace"
+  "-shl"
+  "-shr"
+  "-split"
+  "-and"
+  "-or"
+  "-xor"
+  "-band"
+  "-bor"
+  "-bxor"
+  "+"
+  "-"
+  "*"
+  "/"
+  "%"
+  "++"
+  "--"
+  "!"
+  "\\"
+  ".."
+  "|"
+] @operator
+
+(assignement_operator) @operator
+
+[
+  "("
+  ")"
+  "{"
+  "}"
+  "["
+  "]"
+] @punctuation.bracket
+
+[
+  ";"
+  ","
+  "::"
+] @punctuation.delimiter
+
+(string_literal) @string
+
+(integer_literal) @constant.numeric
+(real_literal) @constant.numeric
+
+(command
+  command_name: (command_name) @function)
+
+(function_name) @function
+
+(invokation_expression
+  (member_name) @function)
+
+(member_access
+  (member_name) @variable.other.member)
+
+(command_invokation_operator) @operator
+
+(type_spec) @type
+
+(variable) @variable
+
+(comment) @comment
+
+(array_expression) @punctuation.bracket
+
+(assignment_expression
+  value: (pipeline) @variable)
+
+(format_operator) @operator
+
+(command_parameter) @variable.parameter
+
+(command_elements) @variable.builtin
+
+(generic_token) @variable
diff --git a/runtime/queries/powershell/injections.scm b/runtime/queries/powershell/injections.scm
new file mode 100644
index 000000000..321c90add
--- /dev/null
+++ b/runtime/queries/powershell/injections.scm
@@ -0,0 +1,2 @@
+((comment) @injection.content
+ (#set! injection.language "comment"))