diff --git a/all-packages.nix b/all-packages.nix
index d9ab8ad..4a87f88 100644
--- a/all-packages.nix
+++ b/all-packages.nix
@@ -9,22 +9,22 @@ let
   callPackage = pkgs.lib.callPackageWith (pkgs // self);
 
   self = rec {
-    PostgresDB = callPackage ./PostgresDB {};
+    PostgresDB = callPackage ./postgresdb {};
 
     CaddyConfig = callPackage ./caddy/config.nix {inherit utils;};
     CaddyService = callPackage ./caddy/unit.nix {inherit utils;};
     CaddySiteConfig = callPackage ./caddy/siteconfig.nix {inherit utils;};
     mkCaddySiteConfig = callPackage ./caddy/mksiteconfig.nix {inherit CaddySiteConfig;};
 
-    PHPFPMConfig = callPackage ./PHP-FPM/config.nix {inherit utils;};
-    PHPFPMService = callPackage ./PHP-FPM/unit.nix {inherit utils;};
-    PHPFPMSiteConfig = callPackage ./PHP-FPM/siteconfig.nix {inherit utils;};
-    mkPHPFPMSiteConfig = callPackage ./PHP-FPM/mksiteconfig.nix {inherit PHPFPMSiteConfig;};
+    PHPFPMConfig = callPackage ./php-fpm/config.nix {inherit utils;};
+    PHPFPMService = callPackage ./php-fpm/unit.nix {inherit utils;};
+    PHPFPMSiteConfig = callPackage ./php-fpm/siteconfig.nix {inherit utils;};
+    mkPHPFPMSiteConfig = callPackage ./php-fpm/mksiteconfig.nix {inherit PHPFPMSiteConfig;};
 
-    TtrssEnvironment = callPackage ./Ttrss/environment.nix {};
-    TtrssConfig = callPackage ./Ttrss/config.nix {};
-    TtrssUpdateService = callPackage ./Ttrss/update.nix {inherit utils;};
-    TtrssUpgradeDBService = callPackage ./Ttrss/dbupgrade.nix {};
+    TtrssEnvironment = callPackage ./ttrss/environment.nix {};
+    TtrssConfig = callPackage ./ttrss/config.nix {};
+    TtrssUpdateService = callPackage ./ttrss/update.nix {inherit utils;};
+    TtrssUpgradeDBService = callPackage ./ttrss/dbupgrade.nix {};
   };
 in
 self
diff --git a/PHP-FPM/config.nix b/php-fpm/config.nix
similarity index 100%
rename from PHP-FPM/config.nix
rename to php-fpm/config.nix
diff --git a/PHP-FPM/mksiteconfig.nix b/php-fpm/mksiteconfig.nix
similarity index 100%
rename from PHP-FPM/mksiteconfig.nix
rename to php-fpm/mksiteconfig.nix
diff --git a/PHP-FPM/siteconfig.nix b/php-fpm/siteconfig.nix
similarity index 100%
rename from PHP-FPM/siteconfig.nix
rename to php-fpm/siteconfig.nix
diff --git a/PHP-FPM/unit.nix b/php-fpm/unit.nix
similarity index 100%
rename from PHP-FPM/unit.nix
rename to php-fpm/unit.nix
diff --git a/PostgresDB/default.nix b/postgresdb/default.nix
similarity index 100%
rename from PostgresDB/default.nix
rename to postgresdb/default.nix
diff --git a/Ttrss/config.nix b/ttrss/config.nix
similarity index 100%
rename from Ttrss/config.nix
rename to ttrss/config.nix
diff --git a/Ttrss/dbupgrade.nix b/ttrss/dbupgrade.nix
similarity index 100%
rename from Ttrss/dbupgrade.nix
rename to ttrss/dbupgrade.nix
diff --git a/Ttrss/environment.nix b/ttrss/environment.nix
similarity index 100%
rename from Ttrss/environment.nix
rename to ttrss/environment.nix
diff --git a/Ttrss/update.nix b/ttrss/update.nix
similarity index 100%
rename from Ttrss/update.nix
rename to ttrss/update.nix