diff --git a/modules/build/CMakeLists.txt b/modules/build/CMakeLists.txt
index e1e64c7..41a5ff0 100644
--- a/modules/build/CMakeLists.txt
+++ b/modules/build/CMakeLists.txt
@@ -5,9 +5,9 @@ set(CMAKE_CXX_STANDARD 20)
 
 # Set DPM_ROOT_DIR based on whether this is a standalone build or part of the main build
 if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
-    set(DPM_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../..")
+set(DPM_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../..")
 else()
-    set(DPM_ROOT_DIR "${CMAKE_SOURCE_DIR}")
+set(DPM_ROOT_DIR "${CMAKE_SOURCE_DIR}")
 endif()
 
 # Find OpenSSL
@@ -16,48 +16,57 @@ find_package(OpenSSL REQUIRED)
 # Find LibArchive
 find_package(LibArchive REQUIRED)
 
+# Find GPGME
+find_path(GPGME_INCLUDE_DIR gpgme.h)
+find_library(GPGME_LIBRARY NAMES gpgme)
+
+if(NOT GPGME_INCLUDE_DIR OR NOT GPGME_LIBRARY)
+message(FATAL_ERROR "GPGME library not found. Please install libgpgme-dev or equivalent package.")
+endif()
+
 # Module version - used by DPM
 add_library(build MODULE
-        build.cpp
-        src/helpers.cpp
-        src/cli_parsers.cpp
-        src/commands.cpp
-        src/staging.cpp
-        src/signing.cpp
-        src/checksums.cpp
-        src/metadata.cpp
-        src/sealing.cpp
+build.cpp
+src/helpers.cpp
+src/cli_parsers.cpp
+src/commands.cpp
+src/staging.cpp
+src/signing.cpp
+src/checksums.cpp
+src/metadata.cpp
+src/sealing.cpp
 )
 
 # Set output properties
 set_target_properties(
-        build PROPERTIES
-        PREFIX ""
-        SUFFIX ".so"
+build PROPERTIES
+PREFIX ""
+SUFFIX ".so"
 )
 
 # Include directories
 target_include_directories(build PRIVATE
-        ${CMAKE_CURRENT_SOURCE_DIR}/include
-        ${DPM_ROOT_DIR}
-        ${OPENSSL_INCLUDE_DIR}
-        ${LibArchive_INCLUDE_DIRS}
+${CMAKE_CURRENT_SOURCE_DIR}/include
+${DPM_ROOT_DIR}
+${OPENSSL_INCLUDE_DIR}
+${LibArchive_INCLUDE_DIRS}
+${GPGME_INCLUDE_DIR}
 )
 
-# Link with filesystem library and OpenSSL
-target_link_libraries(build stdc++fs ${OPENSSL_LIBRARIES} ${LibArchive_LIBRARIES})
+# Link with libraries
+target_link_libraries(build stdc++fs ${OPENSSL_LIBRARIES} ${LibArchive_LIBRARIES} ${GPGME_LIBRARY})
 
 # Standalone version - used for debugging
 add_executable(build_standalone
-        build.cpp
-        src/helpers.cpp
-        src/cli_parsers.cpp
-        src/commands.cpp
-        src/staging.cpp
-        src/signing.cpp
-        src/checksums.cpp
-        src/metadata.cpp
-        src/sealing.cpp
+build.cpp
+src/helpers.cpp
+src/cli_parsers.cpp
+src/commands.cpp
+src/staging.cpp
+src/signing.cpp
+src/checksums.cpp
+src/metadata.cpp
+src/sealing.cpp
 )
 
 # Define the BUILD_STANDALONE macro for the standalone build
@@ -65,17 +74,18 @@ target_compile_definitions(build_standalone PRIVATE BUILD_STANDALONE)
 
 # Include directories for standalone
 target_include_directories(build_standalone PRIVATE
-        ${CMAKE_CURRENT_SOURCE_DIR}/include
-        ${DPM_ROOT_DIR}
-        ${OPENSSL_INCLUDE_DIR}
-        ${LibArchive_INCLUDE_DIRS}
+${CMAKE_CURRENT_SOURCE_DIR}/include
+${DPM_ROOT_DIR}
+${OPENSSL_INCLUDE_DIR}
+${LibArchive_INCLUDE_DIRS}
+${GPGME_INCLUDE_DIR}
 )
 
-# Link with filesystem library and OpenSSL for standalone
-target_link_libraries(build_standalone stdc++fs ${OPENSSL_LIBRARIES} ${LibArchive_LIBRARIES})
+# Link with libraries for standalone
+target_link_libraries(build_standalone stdc++fs ${OPENSSL_LIBRARIES} ${LibArchive_LIBRARIES} ${GPGME_LIBRARY})
 
 # Set the output name for the standalone executable
 set_target_properties(
-        build_standalone PROPERTIES
-        OUTPUT_NAME "build_debug"
+build_standalone PROPERTIES
+OUTPUT_NAME "build_debug"
 )
\ No newline at end of file