diff --git a/pkgs/blueprint-compiler.nix b/pkgs/blueprint-compiler.nix
index 5748b313..864c0498 100644
--- a/pkgs/blueprint-compiler.nix
+++ b/pkgs/blueprint-compiler.nix
@@ -16,6 +16,6 @@ python3Packages.buildPythonPackage rec {
   meta = with lib; {
     description = "Compiles Blueprint to GTK XML";
     homepage = "https://gitlab.gnome.org/jwestman/blueprint-compiler";
-    license = licenses.gpl3;
+    license = licenses.lgpl3Only;
   };
 }
diff --git a/pkgs/devdocs-desktop.nix b/pkgs/devdocs-desktop.nix
index da7a7622..6a3638cd 100644
--- a/pkgs/devdocs-desktop.nix
+++ b/pkgs/devdocs-desktop.nix
@@ -44,7 +44,7 @@ python3Packages.buildPythonApplication rec {
   meta = with lib; {
     homepage = "https://github.com/hardpixel/devdocs-desktop";
     description = "Desktop application for browsing Devdocs";
-    license = licenses.gpl3;
+    license = licenses.gpl3Only;
     platforms = platforms.linux;
   };
 }
diff --git a/pkgs/emulsion-palette.nix b/pkgs/emulsion-palette.nix
index a6084f3c..4dc0ec5c 100644
--- a/pkgs/emulsion-palette.nix
+++ b/pkgs/emulsion-palette.nix
@@ -25,6 +25,6 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "Store your color palettes in an easy way";
     homepage = "https://github.com/lainsce/emulsion";
-    license = licenses.gpl3;
+    license = licenses.gpl3Only;
   };
 }
diff --git a/pkgs/gnome-extension-manager.nix b/pkgs/gnome-extension-manager.nix
index 0d89a8e2..d647d005 100644
--- a/pkgs/gnome-extension-manager.nix
+++ b/pkgs/gnome-extension-manager.nix
@@ -43,5 +43,6 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "Desktop app for managing GNOME shell extensions";
     homepage = "https://github.com/mjakeman/extension-manager";
+    license = licenses.gpl3Only;
   };
 }
diff --git a/pkgs/guile-config.nix b/pkgs/guile-config.nix
index cd336862..77e4bd31 100644
--- a/pkgs/guile-config.nix
+++ b/pkgs/guile-config.nix
@@ -24,6 +24,6 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "Library for a declarative approach for configuration";
     homepage = "https://gitlab.com/a-sassmannshausen/guile-config";
-    license = licenses.gpl3;
+    license = licenses.gpl3Only;
   };
 }
diff --git a/pkgs/guile-hall.nix b/pkgs/guile-hall.nix
index 6f08357e..eb220356 100644
--- a/pkgs/guile-hall.nix
+++ b/pkgs/guile-hall.nix
@@ -56,7 +56,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "Command-line application for managing Guile projects";
     homepage = "https://gitlab.com/a-sassmannshausen/guile-hall";
-    license = licenses.gpl3;
+    license = licenses.gpl3Only;
     mainProgram = "hall";
   };
 }
diff --git a/pkgs/junction.nix b/pkgs/junction.nix
index 2302f68d..299023d3 100644
--- a/pkgs/junction.nix
+++ b/pkgs/junction.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage = "https://github.com/sonnyp/Junction";
     description = "Application chooser";
-    license = licenses.gpl3;
+    license = licenses.gpl3Only;
     mainProgram = "re.sonny.Junction";
   };
 }
diff --git a/pkgs/sioyek.nix b/pkgs/sioyek.nix
index 0341c71d..0ebae81c 100644
--- a/pkgs/sioyek.nix
+++ b/pkgs/sioyek.nix
@@ -66,6 +66,6 @@ stdenv.mkDerivation rec {
     description =
       "PDF viewer designed for reading research papers and technical books";
     homepage = "https://sioyek.info";
-    license = licenses.gpl3;
+    license = licenses.gpl3Only;
   };
 }