diff --git a/CHANGES b/CHANGES
index f9f16b0382..d89c34d134 100644
--- a/CHANGES
+++ b/CHANGES
@@ -45,6 +45,7 @@ Version 2.10.0
 - Add a new trivial lexer which outputs everything as `Text.Generic.Output` (#1835, #1836)
 - Use the ``.ini`` lexer for ``systemd`` files (#1849)
 - Fix a ``FutureWarning`` related to ``words()`` (#1854)
+- ``pwsh`` is now recognized as an alias for PowerShell (#1876)
 
 
 Version 2.9.0
diff --git a/pygments/lexers/_mapping.py b/pygments/lexers/_mapping.py
index 0e906c1d5f..24e3668db5 100644
--- a/pygments/lexers/_mapping.py
+++ b/pygments/lexers/_mapping.py
@@ -358,8 +358,8 @@
     'PostgresConsoleLexer': ('pygments.lexers.sql', 'PostgreSQL console (psql)', ('psql', 'postgresql-console', 'postgres-console'), (), ('text/x-postgresql-psql',)),
     'PostgresLexer': ('pygments.lexers.sql', 'PostgreSQL SQL dialect', ('postgresql', 'postgres'), (), ('text/x-postgresql',)),
     'PovrayLexer': ('pygments.lexers.graphics', 'POVRay', ('pov',), ('*.pov', '*.inc'), ('text/x-povray',)),
-    'PowerShellLexer': ('pygments.lexers.shell', 'PowerShell', ('powershell', 'posh', 'ps1', 'psm1'), ('*.ps1', '*.psm1'), ('text/x-powershell',)),
-    'PowerShellSessionLexer': ('pygments.lexers.shell', 'PowerShell Session', ('ps1con',), (), ()),
+    'PowerShellLexer': ('pygments.lexers.shell', 'PowerShell', ('powershell', 'pwsh', 'posh', 'ps1', 'psm1'), ('*.ps1', '*.psm1'), ('text/x-powershell',)),
+    'PowerShellSessionLexer': ('pygments.lexers.shell', 'PowerShell Session', ('pwsh-session', 'ps1con'), (), ()),
     'PraatLexer': ('pygments.lexers.praat', 'Praat', ('praat',), ('*.praat', '*.proc', '*.psc'), ()),
     'ProcfileLexer': ('pygments.lexers.procfile', 'Procfile', ('procfile',), ('Procfile',), ()),
     'PrologLexer': ('pygments.lexers.prolog', 'Prolog', ('prolog',), ('*.ecl', '*.prolog', '*.pro', '*.pl'), ('text/x-prolog',)),