diff --git a/gstreamer-app/Cargo.toml b/gstreamer-app/Cargo.toml
index ef493da3d..77d6efeae 100644
--- a/gstreamer-app/Cargo.toml
+++ b/gstreamer-app/Cargo.toml
@@ -38,9 +38,10 @@ v1_12 = ["gst/v1_12", "gst-base/v1_12", "ffi/v1_12", "v1_10"]
 v1_14 = ["gst/v1_14", "gst-base/v1_14", "ffi/v1_14", "v1_12"]
 v1_16 = ["gst/v1_16", "gst-base/v1_16", "ffi/v1_16", "v1_14"]
 v1_18 = ["gst/v1_18", "gst-base/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "gst-base/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox", "gst-base/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox", "gst-base/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-audio/Cargo.toml b/gstreamer-audio/Cargo.toml
index ef1206604..5281a7327 100644
--- a/gstreamer-audio/Cargo.toml
+++ b/gstreamer-audio/Cargo.toml
@@ -36,9 +36,10 @@ v1_12 = ["gst/v1_12", "gst-base/v1_12", "ffi/v1_12", "v1_10"]
 v1_14 = ["gst/v1_14", "gst-base/v1_14", "ffi/v1_14", "v1_12"]
 v1_16 = ["gst/v1_16", "gst-base/v1_16", "ffi/v1_16", "v1_14"]
 v1_18 = ["gst/v1_18", "gst-base/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "gst-base/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox", "gst-base/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox", "gst-base/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-base/Cargo.toml b/gstreamer-base/Cargo.toml
index da511bd55..e1fdbc42f 100644
--- a/gstreamer-base/Cargo.toml
+++ b/gstreamer-base/Cargo.toml
@@ -31,9 +31,10 @@ v1_14 = ["gst/v1_14", "ffi/v1_14", "v1_12"]
 v1_14_1 = ["gst/v1_14", "ffi/v1_14_1", "v1_14"]
 v1_16 = ["gst/v1_16", "ffi/v1_16", "v1_14_1"]
 v1_18 = ["gst/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-check/Cargo.toml b/gstreamer-check/Cargo.toml
index cb1280440..143e2d9ad 100644
--- a/gstreamer-check/Cargo.toml
+++ b/gstreamer-check/Cargo.toml
@@ -29,9 +29,10 @@ v1_12 = ["gst/v1_12", "ffi/v1_12", "v1_10"]
 v1_14 = ["gst/v1_14", "ffi/v1_14", "v1_12"]
 v1_16 = ["gst/v1_16", "ffi/v1_16", "v1_14"]
 v1_18 = ["gst/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-controller/Cargo.toml b/gstreamer-controller/Cargo.toml
index 2f668438d..e1b42ad69 100644
--- a/gstreamer-controller/Cargo.toml
+++ b/gstreamer-controller/Cargo.toml
@@ -31,9 +31,10 @@ v1_12 = ["gst/v1_12", "ffi/v1_12", "v1_10"]
 v1_14 = ["gst/v1_14", "ffi/v1_14", "v1_12"]
 v1_16 = ["gst/v1_16", "ffi/v1_16", "v1_14"]
 v1_18 = ["gst/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["rustdoc-stripper"]
 purge-lgpl-docs = ["rustdoc-stripper"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-editing-services/Cargo.toml b/gstreamer-editing-services/Cargo.toml
index fba856500..6356f0b37 100644
--- a/gstreamer-editing-services/Cargo.toml
+++ b/gstreamer-editing-services/Cargo.toml
@@ -32,9 +32,10 @@ v1_12 = ["gst/v1_12", "gst-base/v1_12", "gst-pbutils/v1_12", "ffi/v1_12", "v1_10
 v1_14 = ["gst/v1_14", "gst-base/v1_14", "gst-pbutils/v1_14", "ffi/v1_14", "v1_12"]
 v1_16 = ["gst/v1_16", "gst-base/v1_16", "gst-pbutils/v1_16", "ffi/v1_16", "v1_14"]
 v1_18 = ["gst/v1_18", "gst-base/v1_18", "gst-pbutils/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "gst-base/v1_20", "gst-pbutils/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gio/dox", "gst/dox", "gst-base/dox", "gst-pbutils/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gio/dox", "gst/dox", "gst-base/dox", "gst-pbutils/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-gl/Cargo.toml b/gstreamer-gl/Cargo.toml
index b64ac5c09..31ea470bb 100644
--- a/gstreamer-gl/Cargo.toml
+++ b/gstreamer-gl/Cargo.toml
@@ -30,11 +30,12 @@ gstreamer-rs-lgpl-docs = { path = "../docs", optional = true }
 
 [features]
 default = []
-dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox", "gst-base/dox", "gst-video/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox", "gst-base/dox", "gst-video/dox"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 v1_16 = ["gst/v1_16", "gst-base/v1_16", "gst-video/v1_16", "ffi/v1_16"]
 v1_18 = ["gst/v1_18", "gst-base/v1_18", "gst-video/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "gst-base/v1_20", "gst-video/v1_20", "ffi/v1_20", "v1_18"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-net/Cargo.toml b/gstreamer-net/Cargo.toml
index 760d15ba6..348ee21ca 100644
--- a/gstreamer-net/Cargo.toml
+++ b/gstreamer-net/Cargo.toml
@@ -29,9 +29,10 @@ v1_12 = ["gst/v1_12", "ffi/v1_12", "v1_10"]
 v1_14 = ["gst/v1_14", "ffi/v1_14", "v1_12"]
 v1_16 = ["gst/v1_16", "ffi/v1_16", "v1_14"]
 v1_18 = ["gst/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gio/dox", "gst/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gio/dox", "gst/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-pbutils/Cargo.toml b/gstreamer-pbutils/Cargo.toml
index ccfface63..e2b04069d 100644
--- a/gstreamer-pbutils/Cargo.toml
+++ b/gstreamer-pbutils/Cargo.toml
@@ -31,9 +31,10 @@ v1_12 = ["gst/v1_12", "ffi/v1_12", "v1_10"]
 v1_14 = ["gst/v1_14", "ffi/v1_14", "v1_12"]
 v1_16 = ["gst/v1_16", "ffi/v1_16", "v1_14"]
 v1_18 = ["gst/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-player/Cargo.toml b/gstreamer-player/Cargo.toml
index 0d16f1d2e..b920b902b 100644
--- a/gstreamer-player/Cargo.toml
+++ b/gstreamer-player/Cargo.toml
@@ -29,9 +29,10 @@ default = []
 v1_14 = ["gst/v1_14", "gst-video/v1_14", "ffi/v1_14"]
 v1_16 = ["gst/v1_16", "gst-video/v1_16", "ffi/v1_16", "v1_14"]
 v1_18 = ["gst/v1_18", "gst-video/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "gst-video/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox", "gst-video/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox", "gst-video/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-rtp/Cargo.toml b/gstreamer-rtp/Cargo.toml
index 0eccf5bfb..789a9024a 100644
--- a/gstreamer-rtp/Cargo.toml
+++ b/gstreamer-rtp/Cargo.toml
@@ -30,9 +30,10 @@ v1_12 = ["gst/v1_12", "ffi/v1_12", "v1_10"]
 v1_14 = ["gst/v1_14", "ffi/v1_14", "v1_12"]
 v1_16 = ["gst/v1_16", "ffi/v1_16", "v1_14"]
 v1_18 = ["gst/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-rtsp-server/Cargo.toml b/gstreamer-rtsp-server/Cargo.toml
index 5847a21b4..f66bef640 100644
--- a/gstreamer-rtsp-server/Cargo.toml
+++ b/gstreamer-rtsp-server/Cargo.toml
@@ -35,9 +35,10 @@ v1_12 = ["gst/v1_12", "gst-sdp/v1_12", "gst-rtsp/v1_12", "gst-net/v1_12", "ffi/v
 v1_14 = ["gst/v1_14", "gst-sdp/v1_14", "gst-rtsp/v1_14", "gst-net/v1_14", "ffi/v1_14", "v1_12"]
 v1_16 = ["gst/v1_16", "gst-sdp/v1_16", "gst-rtsp/v1_16", "gst-net/v1_16", "ffi/v1_16", "v1_14"]
 v1_18 = ["gst/v1_18", "gst-sdp/v1_18", "gst-rtsp/v1_18", "gst-net/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "gst-sdp/v1_20", "gst-rtsp/v1_20", "gst-net/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gio/dox", "gst/dox", "gst-sdp/dox", "gst-rtsp/dox", "gst-net/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gio/dox", "gst/dox", "gst-sdp/dox", "gst-rtsp/dox", "gst-net/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-rtsp/Cargo.toml b/gstreamer-rtsp/Cargo.toml
index 576e8da89..764701505 100644
--- a/gstreamer-rtsp/Cargo.toml
+++ b/gstreamer-rtsp/Cargo.toml
@@ -31,9 +31,10 @@ v1_12 = ["gst/v1_12", "gst-sdp/v1_12", "ffi/v1_12", "v1_10"]
 v1_14 = ["gst/v1_14", "gst-sdp/v1_14", "ffi/v1_14", "v1_12"]
 v1_16 = ["gst/v1_16", "gst-sdp/v1_16", "ffi/v1_16", "v1_14"]
 v1_18 = ["gst/v1_18", "gst-sdp/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "gst-sdp/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox", "gst-sdp/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox", "gst-sdp/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-sdp/Cargo.toml b/gstreamer-sdp/Cargo.toml
index a88391c1e..4bfc2cdef 100644
--- a/gstreamer-sdp/Cargo.toml
+++ b/gstreamer-sdp/Cargo.toml
@@ -29,9 +29,10 @@ v1_12 = ["gst/v1_12", "ffi/v1_12", "v1_10"]
 v1_14 = ["gst/v1_14", "ffi/v1_14", "v1_12"]
 v1_16 = ["gst/v1_16", "ffi/v1_16", "v1_14"]
 v1_18 = ["gst/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-video/Cargo.toml b/gstreamer-video/Cargo.toml
index 8f9afdc6f..28c4b072f 100644
--- a/gstreamer-video/Cargo.toml
+++ b/gstreamer-video/Cargo.toml
@@ -38,9 +38,10 @@ v1_12 = ["gst/v1_12", "gst-base/v1_12", "ffi/v1_12", "v1_10"]
 v1_14 = ["gst/v1_14", "gst-base/v1_14", "ffi/v1_14", "v1_12"]
 v1_16 = ["gst/v1_16", "gst-base/v1_16", "ffi/v1_16", "v1_14"]
 v1_18 = ["gst/v1_18", "gst-base/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "gst-base/v1_20", "ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox", "gst-base/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox", "gst-base/dox"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer-webrtc/Cargo.toml b/gstreamer-webrtc/Cargo.toml
index d381ba88d..47b4fa70b 100644
--- a/gstreamer-webrtc/Cargo.toml
+++ b/gstreamer-webrtc/Cargo.toml
@@ -27,9 +27,10 @@ gstreamer-rs-lgpl-docs = { path = "../docs", optional = true }
 default = []
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "gst/dox", "gst-sdp/dox"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "gst/dox", "gst-sdp/dox"]
 v1_16 = ["gst/v1_16", "gst-sdp/v1_16", "ffi/v1_16"]
 v1_18 = ["gst/v1_18", "gst-sdp/v1_18", "ffi/v1_18", "v1_16"]
+v1_20 = ["gst/v1_20", "gst-sdp/v1_20", "ffi/v1_20", "v1_18"]
 
 [package.metadata.docs.rs]
 features = ["dox", "embed-lgpl-docs"]
diff --git a/gstreamer/Cargo.toml b/gstreamer/Cargo.toml
index 7b8736a28..46712a691 100644
--- a/gstreamer/Cargo.toml
+++ b/gstreamer/Cargo.toml
@@ -47,9 +47,10 @@ v1_12 = ["ffi/v1_12", "v1_10"]
 v1_14 = ["ffi/v1_14", "v1_12"]
 v1_16 = ["ffi/v1_16", "v1_14"]
 v1_18 = ["ffi/v1_18", "v1_16"]
+v1_20 = ["ffi/v1_20", "v1_18"]
 embed-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
 purge-lgpl-docs = ["gstreamer-rs-lgpl-docs"]
-dox = ["v1_18", "ffi/dox", "glib/dox", "ser_de"]
+dox = ["v1_20", "ffi/dox", "glib/dox", "ser_de"]
 ser_de = ["num-rational/serde", "serde", "serde_bytes", "serde_derive"]
 
 [package.metadata.docs.rs]
diff --git a/gstreamer/src/subclass/plugin_1_14.rs b/gstreamer/src/subclass/plugin_1_14.rs
index 3e6d94071..60ca2d720 100644
--- a/gstreamer/src/subclass/plugin_1_14.rs
+++ b/gstreamer/src/subclass/plugin_1_14.rs
@@ -8,12 +8,17 @@
 
 pub const MAJOR_VERSION: i32 = 1;
 
-#[cfg(all(feature = "v1_14", not(feature = "v1_16")))]
-pub const MINOR_VERSION: i32 = 14;
-#[cfg(all(feature = "v1_16", not(feature = "v1_18")))]
-pub const MINOR_VERSION: i32 = 16;
-#[cfg(all(feature = "v1_18", not(feature = "v1_20")))]
-pub const MINOR_VERSION: i32 = 18;
+cfg_if::cfg_if! {
+    if #[cfg(feature = "v1_20")] {
+        pub const MINOR_VERSION: i32 = 20;
+    } else if #[cfg(feature = "v1_18")] {
+        pub const MINOR_VERSION: i32 = 18;
+    } else if #[cfg(feature = "v1_16")] {
+        pub const MINOR_VERSION: i32 = 16;
+    } else if #[cfg(feature = "v1_14")] {
+        pub const MINOR_VERSION: i32 = 14;
+    }
+}
 
 #[macro_export]
 macro_rules! gst_plugin_define(