diff --git a/src/lib/rnp.cpp b/src/lib/rnp.cpp
index 6a8d6223ce..8958b4cb97 100644
--- a/src/lib/rnp.cpp
+++ b/src/lib/rnp.cpp
@@ -1770,6 +1770,12 @@ try {
             if (expub && !ffi->secring->import_key(*expub, true)) {
                 return RNP_ERROR_BAD_PARAMETERS;
             }
+        } else if (pub_status != PGP_KEY_IMPORT_STATUS_UNCHANGED) {
+            // public key was new or updated: sync into secring if a secret key exists there
+            auto *expub = ffi->pubring->get_key(key.fp());
+            if (expub && ffi->secring->get_key(key.fp())) {
+                ffi->secring->import_key(*expub, true);
+            }
         }
         // now add key fingerprint to json based on statuses
         rnp_result_t tmpret = add_key_status(jsokeys, &key, pub_status, sec_status);
diff --git a/src/tests/data/test_key_edge_cases/renee-new-expiration-pub.asc b/src/tests/data/test_key_edge_cases/renee-new-expiration-pub.asc
new file mode 100644
index 0000000000..6591d57671
--- /dev/null
+++ b/src/tests/data/test_key_edge_cases/renee-new-expiration-pub.asc
@@ -0,0 +1,35 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
+xsDNBGm7y3QBDAC8652KhGGSGMDTrbA/5lGSu17R583hFAwYoWO+S3E6DwdQhFCxnB/81WqXsqAC
+do+gOUQszitL70Ay3PcbrUk3aEK0DwhEDNtWMg1UNftL0RLEPSYC7K39bMLOwT1iM8o+JpdZDvek
+MkOfk07aytBs/qvzx/n1NUUNKdtDMyvlx8JEq38o75J9nLzecKGYwZTQnpESxn5ciF/32A1hZiNx
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+uakj0DoZGfdK1Q2Vo5R90PF8kyUt8Ge3sq/JL8XzFy/P1da5L1BBDtYLbra/ns/DopbdP+ZuLvBe
+sXLbXROIZzhKvb6axJJSrIKwPSDMu0m13+3ltWJX3hLkbUDShrggz1YDt6A/jSZ8BB70UYxFhSSn
+lcRC2WCmWjVmTHLO3g+k6Qx/Wp9Cr9nFXY3Odd4k/oNfW2pTnwOaP+NCwk76en0zIZg+e5G/lcvz
+/kOZb31CyyulK5c4cyt/Y4z04hcJ/DPdHwpxy7yQxE7L7xC1n95+OOHpIbkZOrr8bjf8uk0BhQEf
+e6BWSTQ5PkHs8LoRjCZoKJ+PlAc=
+=rs4Z
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/src/tests/data/test_key_edge_cases/renee-old-expiration-sec.asc b/src/tests/data/test_key_edge_cases/renee-old-expiration-sec.asc
new file mode 100644
index 0000000000..86102fc3d9
--- /dev/null
+++ b/src/tests/data/test_key_edge_cases/renee-old-expiration-sec.asc
@@ -0,0 +1,69 @@
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+
+xcSYBGm7y3QBDAC8652KhGGSGMDTrbA/5lGSu17R583hFAwYoWO+S3E6DwdQhFCxnB/81WqXsqAC
+do+gOUQszitL70Ay3PcbrUk3aEK0DwhEDNtWMg1UNftL0RLEPSYC7K39bMLOwT1iM8o+JpdZDvek
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+/iHb3vg5rq94/ARthr1D8Y6U/Ykzrf/C/3fOvfl+x8SYBGm7y3UBDADz9HJBDe3d5xgwRMh0DZzX
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+hvLN4IP+LIo4kmAc/gub/cjeWmLl0aPNhsG9tmWWW5YrQ8SqGE/+/apv8GnVJsTNTqpjkw8jM3rh
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+btiUpwfuMFtmvbfCqse3ROUlKNKnIs8J76EVmCtOpKmux4Fuq8yTeB32fOOxz8Mm+bmzYG6sscAQ
+v7NKGxxs24cF/1+9+3SK7jonYmpzQKD0ciXnRGgZPzyEGGpAwh9kVlDGGOSM0yLdlYsFay0I1leQ
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+idu4LcjG5e8FAmm7y3UFCQABUYACGwwACgkQidu4LcjG5e99xQv/TbRzZTvqmLUTQbJFF6u2baKL
+gZU51DvBfp6n4M/haH+mcaY1gLfhIRSS6OQACFW6p/aK1LjPlrijkrw0p8q9vvES5yqzdIfJKH9u
+/7VGgnaw0lMpI64FZBGCQ1TP4ZwOfFwnQgKbsRyVHXlcGxAEitK3UFZHk5HKKSub88hIOiVZQwsZ
+adImpI+SgMiM1LCSXI7Q2MrqtAulFTdke8R53tyxDy69i0BuBV+4pBxQqVyARwxaVkkn12h4Of5J
+BrkHkJHV46VVDO1eQs9lJQL2YEHNLi78bw+fTv6kR5padSnjbSwDDN7GOlmVnoIjfdRT8uzwIPXL
+wY8gTmSDhCEjzGOf+HPWnc9QPLl3qpGgVhPQJ6XHyh1a5Csb4K0NbKB3Iy5wN7ZN7yP0k9SY2Hdd
+9ub5x9io+PrAvLVgQ0s/1fxOr4QtZXapQ/8kfXZ1j8hzLt90KAtikuI3XwYFLWcq94L9Eya+gq8U
++rDPgPDDbw+EwLzBIY1Lxe4s/qtZBlBh
+=hmU2
+-----END PGP PRIVATE KEY BLOCK-----
diff --git a/src/tests/ffi-key.cpp b/src/tests/ffi-key.cpp
index 9010999cdc..06355534a9 100644
--- a/src/tests/ffi-key.cpp
+++ b/src/tests/ffi-key.cpp
@@ -3736,6 +3736,67 @@ TEST_F(rnp_tests, test_ffi_key_import_edge_cases)
     rnp_ffi_destroy(ffi);
 }
 
+TEST_F(rnp_tests, test_ffi_sec_key_expiry_update_via_pub_import)
+{
+    /* Regression test for https://github.com/rnpgp/rnp/issues/2383:
+     * importing an updated public key (with extended expiration) must also update the
+     * expiration stored in the secret keyring so that signing succeeds. */
+    rnp_ffi_t ffi = NULL;
+    assert_rnp_success(rnp_ffi_create(&ffi, "GPG", "GPG"));
+
+    /* import secret key with short (already-expired) expiration */
+    assert_true(import_sec_keys(ffi, "data/test_key_edge_cases/renee-old-expiration-sec.asc"));
+
+    rnp_key_handle_t key = NULL;
+    assert_rnp_success(rnp_locate_key(ffi, "keyid", "89dbb82dc8c6e5ef", &key));
+    assert_non_null(key);
+    bool expired = false;
+    assert_rnp_success(rnp_key_is_expired(key, &expired));
+    assert_true(expired);
+    rnp_key_handle_destroy(key);
+
+    /* adding expired key as signer must fail with no suitable key */
+    rnp_input_t  input = NULL;
+    rnp_output_t output = NULL;
+    assert_rnp_success(rnp_input_from_memory(&input, (const uint8_t *) "payload", 7, false));
+    assert_rnp_success(rnp_output_to_null(&output));
+    rnp_op_sign_t op = NULL;
+    assert_rnp_success(rnp_op_sign_create(&op, ffi, input, output));
+    assert_rnp_success(rnp_locate_key(ffi, "keyid", "89dbb82dc8c6e5ef", &key));
+    assert_int_equal(rnp_op_sign_add_signature(op, key, NULL), RNP_ERROR_NO_SUITABLE_KEY);
+    rnp_key_handle_destroy(key);
+    rnp_op_sign_destroy(op);
+    rnp_input_destroy(input);
+    rnp_output_destroy(output);
+
+    /* import updated public key with extended expiration */
+    assert_true(import_pub_keys(ffi, "data/test_key_edge_cases/renee-new-expiration-pub.asc"));
+
+    assert_rnp_success(rnp_locate_key(ffi, "keyid", "89dbb82dc8c6e5ef", &key));
+    assert_non_null(key);
+    expired = true;
+    assert_rnp_success(rnp_key_is_expired(key, &expired));
+    assert_false(expired);
+    bool valid = false;
+    assert_rnp_success(rnp_key_is_valid(key, &valid));
+    assert_true(valid);
+    rnp_key_handle_destroy(key);
+
+    /* signing must now succeed */
+    assert_rnp_success(rnp_input_from_memory(&input, (const uint8_t *) "payload", 7, false));
+    assert_rnp_success(rnp_output_to_null(&output));
+    assert_rnp_success(rnp_op_sign_create(&op, ffi, input, output));
+    assert_rnp_success(rnp_locate_key(ffi, "keyid", "89dbb82dc8c6e5ef", &key));
+    assert_rnp_success(rnp_op_sign_add_signature(op, key, NULL));
+    rnp_key_handle_destroy(key);
+    assert_rnp_success(rnp_op_sign_execute(op));
+    rnp_op_sign_destroy(op);
+    rnp_input_destroy(input);
+    rnp_output_destroy(output);
+
+    rnp_ffi_destroy(ffi);
+}
+
 TEST_F(rnp_tests, test_ffi_key_import_gpg_s2k)
 {
     rnp_ffi_t ffi = NULL;