diff --git a/.poeditor b/.poeditor
index bd8059ce..3c639bb2 100644
--- a/.poeditor
+++ b/.poeditor
@@ -5,6 +5,7 @@ trans.en-us = shared/translations/en-us.json
 trans.nl = shared/translations/nl-nl.json
 trans.de = shared/translations/de-de.json
 trans.it = shared/translations/it-it.json
+trans.sv = shared/translations/sv-se.json
 
 [project.traintastic-innosetup]
 project_id = 623125
@@ -13,3 +14,4 @@ trans.en-us = package/innosetup/en-us.isl
 trans.nl = package/innosetup/nl-nl.isl
 trans.de = package/innosetup/de-de.isl
 trans.it = package/innosetup/it-it.isl
+trans.sv = package/innosetup/sv-se.isl
diff --git a/package/innosetup/sv-se.isl b/package/innosetup/sv-se.isl
new file mode 100644
index 00000000..cf90fcea
--- /dev/null
+++ b/package/innosetup/sv-se.isl
@@ -0,0 +1,10 @@
+[CustomMessages]
+ClientAndServer=Klient och server
+ClientAndServerDesc=För datorn som är ansluten till kommandostationen.
+ClientOnly=Endast klient
+ClientOnlyDesc=För ytterligare datorer för att hantera modelljärnvägslayouten.
+WindowsFirewall=Windows-brandvägg:
+FirewallAllowTraintasticClient=Tillåt Traintastic-klient
+AddFirewallRuleTraintasticClient=Lägg till brandväggsregel för Traintastic-klienten
+FirewallAllowWLANmausZ21=Tillåt WLANmaus/Z21
+AddFirewallRuleWLANmausZ21=Lägg till brandväggsregel för WLANmaus/Z21
diff --git a/package/innosetup/traintastic.iss b/package/innosetup/traintastic.iss
index 6099f849..4462b627 100644
--- a/package/innosetup/traintastic.iss
+++ b/package/innosetup/traintastic.iss
@@ -43,6 +43,7 @@ Name: en; MessagesFile: "compiler:Default.isl,en-us.isl"
 Name: nl; MessagesFile: "compiler:Languages\Dutch.isl,nl-nl.isl"
 Name: de; MessagesFile: "compiler:Languages\German.isl,de-de.isl"
 Name: it; MessagesFile: "compiler:Languages\Italian.isl,it-it.isl"
+Name: sv; MessagesFile: "compiler:Languages\Swedish.isl,sv-se.isl"
 
 [Tasks]
 Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked