diff --git a/pkgs/development/libraries/sexp/default.nix b/pkgs/development/libraries/sexpp/default.nix
similarity index 88%
rename from pkgs/development/libraries/sexp/default.nix
rename to pkgs/development/libraries/sexpp/default.nix
index 9f9eb1f8973..dd41d520d28 100644
--- a/pkgs/development/libraries/sexp/default.nix
+++ b/pkgs/development/libraries/sexpp/default.nix
@@ -9,14 +9,14 @@
 }:
 
 stdenv.mkDerivation (finalAttrs: {
-  pname = "sexp";
-  version = "0.8.6";
+  pname = "sexpp";
+  version = "0.8.7";
 
   src = fetchFromGitHub {
     owner = "rnpgp";
-    repo = "sexp";
+    repo = "sexpp";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-NpDSoBxEM8g/SugLmT8E5+YZPDFIGHa4eXLjdzQxaiw=";
+    hash = "sha256-E1ESN3JKCWYBt1o37d7EVcgARnwGKS6mxua+0m1RMlM=";
   };
 
   buildInputs = [ zlib bzip2 ];
diff --git a/pkgs/tools/security/rnp/default.nix b/pkgs/tools/security/rnp/default.nix
index b0a7a0f166f..9a3796aeb42 100644
--- a/pkgs/tools/security/rnp/default.nix
+++ b/pkgs/tools/security/rnp/default.nix
@@ -10,7 +10,7 @@
 , json_c
 , pkg-config
 , python3
-, sexp
+, sexpp
 , zlib
 }:
 
@@ -25,9 +25,12 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-4fB7Sl9+ATrJTRnhbNG5BoW3XLxR7IP167RK96+gxj0=";
   };
 
-  buildInputs = [ zlib bzip2 json_c botan2 sexp ];
+  buildInputs = [ zlib bzip2 json_c botan2 sexpp ];
 
-  patches = [ ./unbundle-sexp.patch ];
+  patches = [
+    ./unbundle-sexpp.patch
+    ./sexp_sexpp_rename.patch
+  ];
 
   cmakeFlags = [
     "-DCMAKE_INSTALL_PREFIX=${placeholder "out"}"
diff --git a/pkgs/tools/security/rnp/sexp_sexpp_rename.patch b/pkgs/tools/security/rnp/sexp_sexpp_rename.patch
new file mode 100644
index 00000000000..a86d205139f
--- /dev/null
+++ b/pkgs/tools/security/rnp/sexp_sexpp_rename.patch
@@ -0,0 +1,50 @@
+diff --git i/src/lib/CMakeLists.txt w/src/lib/CMakeLists.txt
+index 086ac57d..2ce59ca1 100755
+--- i/src/lib/CMakeLists.txt
++++ w/src/lib/CMakeLists.txt
+@@ -328,7 +328,7 @@ elseif (CRYPTO_BACKEND_OPENSSL)
+   target_link_libraries(librnp-obj PRIVATE OpenSSL::Crypto)
+ endif()
+
+-target_link_libraries(librnp-obj PRIVATE sexp)
++target_link_libraries(librnp-obj PRIVATE sexpp)
+
+ set_target_properties(librnp-obj PROPERTIES CXX_VISIBILITY_PRESET hidden)
+ if (TARGET BZip2::BZip2)
+@@ -384,7 +384,7 @@ foreach (prop LINK_LIBRARIES INTERFACE_LINK_LIBRARIES INCLUDE_DIRECTORIES INTERF
+   get_target_property(val librnp-obj ${prop})
+   if (BUILD_SHARED_LIBS)
+     set_property(TARGET librnp-static PROPERTY ${prop} ${val})
+-    list(REMOVE_ITEM val "$<LINK_ONLY:sexp>")
++    list(REMOVE_ITEM val "$<LINK_ONLY:sexpp>")
+     set_property(TARGET librnp PROPERTY ${prop} ${val})
+   else()
+     set_property(TARGET librnp PROPERTY ${prop} ${val})
+diff --git i/src/librekey/g23_sexp.hpp w/src/librekey/g23_sexp.hpp
+index b888680f..b062c52f 100644
+--- i/src/librekey/g23_sexp.hpp
++++ w/src/librekey/g23_sexp.hpp
+@@ -27,8 +27,8 @@
+ #ifndef RNP_G23_SEXP_HPP
+ #define RNP_G23_SEXP_HPP
+
+-#include "sexp/sexp.h"
+-#include "sexp/ext-key-format.h"
++#include "sexpp/sexp.h"
++#include "sexpp/ext-key-format.h"
+
+ #define SXP_MAX_DEPTH 30
+
+diff --git i/src/tests/CMakeLists.txt w/src/tests/CMakeLists.txt
+index 7d2a6b0c..88aeaf9f 100644
+--- i/src/tests/CMakeLists.txt
++++ w/src/tests/CMakeLists.txt
+@@ -176,7 +176,7 @@ target_link_libraries(rnp_tests
+   PRIVATE
+     librnp-static
+     JSON-C::JSON-C
+-    sexp
++    sexpp
+     ${GTestMain}
+ )
+ if (CRYPTO_BACKEND_LOWERCASE STREQUAL "openssl")
diff --git a/pkgs/tools/security/rnp/unbundle-sexp.patch b/pkgs/tools/security/rnp/unbundle-sexpp.patch
similarity index 100%
rename from pkgs/tools/security/rnp/unbundle-sexp.patch
rename to pkgs/tools/security/rnp/unbundle-sexpp.patch
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index dac19c2f4da..0abb5bd02b1 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1543,6 +1543,7 @@ mapAliases ({
   sepolgen = throw "sepolgen was merged into selinux-python"; # Added 2021-11-11
   session-desktop-appimage = session-desktop;
   sequoia = sequoia-sq; # Added 2023-06-26
+  sexp = sexpp; # Added 2023-07-03
   sget = throw "sget has been removed from nixpkgs, as it is not supported upstream anymore see https://github.com/sigstore/sget/issues/145"; # Added 2023-05-26
   shared_mime_info = throw "'shared_mime_info' has been renamed to/replaced by 'shared-mime-info'"; # Converted to throw 2022-02-22
   inherit (libsForQt5.mauiPackages) shelf; # added 2022-05-17
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index cb773146d53..5ee5bf43d68 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12514,7 +12514,7 @@ with pkgs;
 
   sewer = callPackage ../tools/admin/sewer { };
 
-  sexp = callPackage ../development/libraries/sexp { };
+  sexpp = callPackage ../development/libraries/sexpp { };
 
   sfeed = callPackage ../tools/misc/sfeed { };