diff --git a/feed/libkcapi/patches/0003-change-rng-bufsisze-to-256.patch b/feed/libkcapi/patches/0003-change-rng-bufsisze-to-256.patch
new file mode 100644
index 0000000..60cd92b
--- /dev/null
+++ b/feed/libkcapi/patches/0003-change-rng-bufsisze-to-256.patch
@@ -0,0 +1,11 @@
+--- a/libkcapi/lib/kcapi-rng.c
++++ b/libkcapi/lib/kcapi-rng.c
+@@ -181,7 +181,7 @@ static int get_random(uint8_t *buf, size
+ }
+ 
+ /* For efficiency reasons, this should be identical to algif_rng.c:MAXSIZE. */
+-#define KCAPI_RNG_BUFSIZE  128
++#define KCAPI_RNG_BUFSIZE  256
+ /* Minimum seed is 256 bits. */
+ #define KCAPI_RNG_MINSEEDSIZE 32
+ #define KCAPI_APP_ALIGN 8