diff --git a/pkgs/development/coq-modules/iris/default.nix b/pkgs/development/coq-modules/iris/default.nix
index a39e8a99509c..a8e925e98f04 100644
--- a/pkgs/development/coq-modules/iris/default.nix
+++ b/pkgs/development/coq-modules/iris/default.nix
@@ -6,6 +6,7 @@ mkCoqDerivation rec {
   owner = "iris";
   inherit version;
   defaultVersion = with lib.versions; lib.switch coq.coq-version [
+    { case = range "8.19" "8.20"; out = "4.3.0"; }
     { case = range "8.18" "8.19"; out = "4.2.0"; }
     { case = range "8.16" "8.18"; out = "4.1.0"; }
     { case = range "8.13" "8.17"; out = "4.0.0"; }
@@ -13,6 +14,7 @@ mkCoqDerivation rec {
     { case = range "8.11" "8.13"; out = "3.4.0"; }
     { case = range "8.9"  "8.10"; out = "3.3.0"; }
   ] null;
+  release."4.3.0".sha256 = "sha256-3qhjiFI+A3I3fD8rFfJL5Hek77wScfn/FNNbDyGqA1k=";
   release."4.2.0".sha256 = "sha256-HuiHIe+5letgr1NN1biZZFq0qlWUbFmoVI7Q91+UIfM=";
   release."4.1.0".sha256 = "sha256-nTZUeZOXiH7HsfGbMKDE7vGrNVCkbMaWxdMWUcTUNlo=";
   release."4.0.0".sha256 = "sha256-Jc9TmgGvkiDaz9IOoExyeryU1E+Q37GN24NIM397/Gg=";
diff --git a/pkgs/development/coq-modules/stdpp/default.nix b/pkgs/development/coq-modules/stdpp/default.nix
index 1215acaed5a1..509aac763b16 100644
--- a/pkgs/development/coq-modules/stdpp/default.nix
+++ b/pkgs/development/coq-modules/stdpp/default.nix
@@ -6,6 +6,7 @@ mkCoqDerivation rec {
   domain = "gitlab.mpi-sws.org";
   owner = "iris";
   defaultVersion = with lib.versions; lib.switch coq.coq-version [
+    { case = range "8.19" "8.20"; out = "1.11.0"; }
     { case = range "8.18" "8.19"; out = "1.10.0"; }
     { case = range "8.16" "8.18"; out = "1.9.0"; }
     { case = range "8.13" "8.17"; out = "1.8.0"; }
@@ -13,6 +14,7 @@ mkCoqDerivation rec {
     { case = range "8.11" "8.13"; out = "1.5.0"; }
     { case = range "8.8" "8.10";  out = "1.4.0"; }
   ] null;
+  release."1.11.0".sha256 = "sha256-yqnkaA5gUdZBJZ3JnvPYh11vKQRl0BAnior1yGowG7k=";
   release."1.10.0".sha256 = "sha256-bfynevIKxAltvt76lsqVxBmifFkzEhyX8lRgTKxr21I=";
   release."1.9.0".sha256 = "sha256-OXeB+XhdyzWMp5Karsz8obp0rTeMKrtG7fu/tmc9aeI=";
   release."1.8.0".sha256 = "sha256-VkIGBPHevHeHCo/Q759Q7y9WyhSF/4SMht4cOPuAXHU=";