diff --git a/crypto-sources.mk b/crypto-sources.mk
index 78194f2..e72ca4a 100644
--- a/crypto-sources.mk
+++ b/crypto-sources.mk
@@ -10,3 +10,4 @@ LOCAL_SRC_FILES_arm = $(linux_arm_sources)
 LOCAL_SRC_FILES_arm64 = $(linux_aarch64_sources)
 endif
 LOCAL_SRC_FILES += $(crypto_sources)
+LOCAL_SRC_FILES += $(decrepit_sources)
diff --git a/sources.mk b/sources.mk
index e041dcf..d53e877 100644
--- a/sources.mk
+++ b/sources.mk
@@ -454,3 +454,8 @@ win_x86_64_sources := \
   win-x86_64/crypto/sha/sha256-x86_64.asm\
   win-x86_64/crypto/sha/sha512-x86_64.asm\
 
+decrepit_sources := \
+  src/decrepit/bio/base64_bio.c\
+  src/decrepit/blowfish/blowfish.c\
+  src/decrepit/cast/cast.c\
+  src/decrepit/cast/cast_tables.c\
diff --git a/decrepit/bio/CMakeLists.txt b/src/decrepit/bio/CMakeLists.txt
similarity index 100%
rename from decrepit/bio/CMakeLists.txt
rename to src/decrepit/bio/CMakeLists.txt
diff --git a/decrepit/bio/base64_bio.c b/src/decrepit/bio/base64_bio.c
similarity index 100%
rename from decrepit/bio/base64_bio.c
rename to src/decrepit/bio/base64_bio.c