diff --git a/tests/unit/crc/main.c b/tests/unit/crc/main.c
index bb74cba4e1c..2ea2d1b4ba5 100644
--- a/tests/unit/crc/main.c
+++ b/tests/unit/crc/main.c
@@ -11,6 +11,7 @@
 #include "../../../lib/crc/crc32_sw.c"
 #include "../../../lib/crc/crc32c_sw.c"
 #include "../../../lib/crc/crc7_sw.c"
+#include "../../../lib/crc/crc24_sw.c"
 
 ZTEST(crc, test_crc32c)
 {
@@ -50,6 +51,22 @@ ZTEST(crc, test_crc32_ieee)
 	zassert_equal(crc32_ieee(test3, sizeof(test3)), 0x20089AA4);
 }
 
+ZTEST(crc, test_crc24_pgp)
+{
+	uint8_t test1[] = { 'A' };
+	uint8_t test2[] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' };
+	uint8_t test3[] = { 'Z', 'e', 'p', 'h', 'y', 'r' };
+
+	zassert_equal(crc24_pgp(test1, sizeof(test1)), 0x00FE86FA);
+	zassert_equal(crc24_pgp(test2, sizeof(test2)), 0x0021CF02);
+	zassert_equal(crc24_pgp(test3, sizeof(test3)), 0x004662E9);
+
+	/* Compute a CRC in several steps */
+	zassert_equal(crc24_pgp_update(CRC24_PGP_INITIAL_VALUE, test2, 3), 0x0009DF67);
+	zassert_equal(crc24_pgp_update(0x0009DF67, test2 + 3, 2), 0x00BA353A);
+	zassert_equal(crc24_pgp_update(0x00BA353A, test2 + 5, 4), 0x0021CF02);
+}
+
 ZTEST(crc, test_crc16)
 {
 	uint8_t test[] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' };