diff --git a/src/Magnum/Trade/AbstractImporter.cpp b/src/Magnum/Trade/AbstractImporter.cpp
index d551458ffa..889e0d09db 100644
--- a/src/Magnum/Trade/AbstractImporter.cpp
+++ b/src/Magnum/Trade/AbstractImporter.cpp
@@ -66,7 +66,7 @@ namespace Magnum { namespace Trade {
 std::string AbstractImporter::pluginInterface() {
     return
 /* [interface] */
-"cz.mosra.magnum.Trade.AbstractImporter/0.3.3"
+"cz.mosra.magnum.Trade.AbstractImporter/0.4"
 /* [interface] */
     ;
 }
diff --git a/src/MagnumPlugins/AnyImageImporter/AnyImageImporter.cpp b/src/MagnumPlugins/AnyImageImporter/AnyImageImporter.cpp
index 549126a914..9a81eb295e 100644
--- a/src/MagnumPlugins/AnyImageImporter/AnyImageImporter.cpp
+++ b/src/MagnumPlugins/AnyImageImporter/AnyImageImporter.cpp
@@ -279,4 +279,4 @@ Containers::Optional<ImageData3D> AnyImageImporter::doImage3D(const UnsignedInt
 }}
 
 CORRADE_PLUGIN_REGISTER(AnyImageImporter, Magnum::Trade::AnyImageImporter,
-    "cz.mosra.magnum.Trade.AbstractImporter/0.3.3")
+    "cz.mosra.magnum.Trade.AbstractImporter/0.4")
diff --git a/src/MagnumPlugins/AnySceneImporter/AnySceneImporter.cpp b/src/MagnumPlugins/AnySceneImporter/AnySceneImporter.cpp
index 12d60b569c..1fd662c783 100644
--- a/src/MagnumPlugins/AnySceneImporter/AnySceneImporter.cpp
+++ b/src/MagnumPlugins/AnySceneImporter/AnySceneImporter.cpp
@@ -261,4 +261,4 @@ Containers::Optional<ImageData3D> AnySceneImporter::doImage3D(const UnsignedInt
 }}
 
 CORRADE_PLUGIN_REGISTER(AnySceneImporter, Magnum::Trade::AnySceneImporter,
-    "cz.mosra.magnum.Trade.AbstractImporter/0.3.3")
+    "cz.mosra.magnum.Trade.AbstractImporter/0.4")
diff --git a/src/MagnumPlugins/ObjImporter/ObjImporter.cpp b/src/MagnumPlugins/ObjImporter/ObjImporter.cpp
index 18cae9762f..ed8ab53859 100644
--- a/src/MagnumPlugins/ObjImporter/ObjImporter.cpp
+++ b/src/MagnumPlugins/ObjImporter/ObjImporter.cpp
@@ -486,4 +486,4 @@ Containers::Optional<MeshData> ObjImporter::doMesh(UnsignedInt id, UnsignedInt)
 }}
 
 CORRADE_PLUGIN_REGISTER(ObjImporter, Magnum::Trade::ObjImporter,
-    "cz.mosra.magnum.Trade.AbstractImporter/0.3.3")
+    "cz.mosra.magnum.Trade.AbstractImporter/0.4")
diff --git a/src/MagnumPlugins/TgaImporter/TgaImporter.cpp b/src/MagnumPlugins/TgaImporter/TgaImporter.cpp
index abc697b6be..4f7bd383b9 100644
--- a/src/MagnumPlugins/TgaImporter/TgaImporter.cpp
+++ b/src/MagnumPlugins/TgaImporter/TgaImporter.cpp
@@ -206,4 +206,4 @@ Containers::Optional<ImageData2D> TgaImporter::doImage2D(UnsignedInt, UnsignedIn
 }}
 
 CORRADE_PLUGIN_REGISTER(TgaImporter, Magnum::Trade::TgaImporter,
-    "cz.mosra.magnum.Trade.AbstractImporter/0.3.3")
+    "cz.mosra.magnum.Trade.AbstractImporter/0.4")