diff --git a/pkgs/by-name/ca/cadical/package.nix b/pkgs/by-name/ca/cadical/package.nix
index c25118a876dc..dc1e4dd47166 100644
--- a/pkgs/by-name/ca/cadical/package.nix
+++ b/pkgs/by-name/ca/cadical/package.nix
@@ -84,6 +84,8 @@ stdenv.mkDerivation rec {
     install -Dm0755 build/mobical "$out/bin/mobical"
     install -Dm0644 src/ccadical.h "$dev/include/ccadical.h"
     install -Dm0644 src/cadical.hpp "$dev/include/cadical.hpp"
+    install -Dm0644 src/cadical.hpp "$dev/include/cadical/cadical.hpp"
+    install -Dm0644 src/tracer.hpp "$dev/include/cadical/tracer.hpp"
     install -Dm0644 build/libcadical.a "$lib/lib/libcadical.a"
     mkdir -p "$out/share/doc/${pname}/"
     install -Dm0755 {LICEN?E,README*,VERSION} "$out/share/doc/${pname}/"
diff --git a/pkgs/by-name/cv/cvc5/package.nix b/pkgs/by-name/cv/cvc5/package.nix
index 295c7891407d..d6450d7086c6 100644
--- a/pkgs/by-name/cv/cvc5/package.nix
+++ b/pkgs/by-name/cv/cvc5/package.nix
@@ -17,13 +17,13 @@
 
 stdenv.mkDerivation rec {
   pname = "cvc5";
-  version = "1.3.0";
+  version = "1.3.1";
 
   src = fetchFromGitHub {
     owner = "cvc5";
     repo = "cvc5";
-    rev = "cvc5-${version}";
-    hash = "sha256-w8rIGPG9BTEPV9HG2U40A4DYYnC6HaWbzqDKCRhaT00=";
+    tag = "cvc5-${version}";
+    hash = "sha256-nxJjrpWZfYPuuKN4CWxOHEuou4r+MdK0AjdEPZHZbHI=";
   };
 
   nativeBuildInputs = [