diff --git a/deps/libssl/openssl b/deps/libssl/openssl
index 462a8003a..210dff23f 120000
--- a/deps/libssl/openssl
+++ b/deps/libssl/openssl
@@ -1 +1 @@
-openssl-3.1.4
\ No newline at end of file
+openssl-3.2.1
\ No newline at end of file
diff --git a/deps/libssl/openssl-3.1.4.tar.gz b/deps/libssl/openssl-3.2.1.tar.gz
similarity index 60%
rename from deps/libssl/openssl-3.1.4.tar.gz
rename to deps/libssl/openssl-3.2.1.tar.gz
index 97c9a36dd..890dbfff0 100644
Binary files a/deps/libssl/openssl-3.1.4.tar.gz and b/deps/libssl/openssl-3.2.1.tar.gz differ
diff --git a/deps/libssl/verify-bio_st-match.sh b/deps/libssl/verify-bio_st-match.sh
index b4903e032..666932c55 100755
--- a/deps/libssl/verify-bio_st-match.sh
+++ b/deps/libssl/verify-bio_st-match.sh
@@ -17,9 +17,15 @@ echo "extracting 'struct bio_st' from 'lib/mysql_data_stream.cpp'"
 LIBBIOST=$(cd ../../; cat ./lib/mysql_data_stream.cpp | sed '/^\/\*/,/*\//d' | sed -n '/^struct bio_st {/,/}/p')
 
 echo -n "Comparing ... "
-if [[ "$LIBBIOST" == "$DEPBIOST" ]]; then
-	echo "PASS - bio_st is a match!";
+if [[ "$LIBBIOST" =~ "$DEPBIOST" ]]; then
+	echo "PASS - bio_st is a match!"
 else
-	echo "FAIL - bio_st does not match!";
+	echo "FAIL - bio_st does not match!"
+	echo
+	echo ">>> lib/mysql_data_stream.cpp"
+	echo "$LIBBIOST"
+	echo "==="
+	echo "$DEPBIOST"
+	echo "<<< deps/libssl/openssl/crypto/bio/bio_local.h"
 	exit 1
 fi
diff --git a/lib/mysql_data_stream.cpp b/lib/mysql_data_stream.cpp
index dd2f2e2d3..4d1fa9ae0 100644
--- a/lib/mysql_data_stream.cpp
+++ b/lib/mysql_data_stream.cpp
@@ -10,36 +10,39 @@
 
 #include <openssl/x509v3.h>
 
-/*
-
-in libssl 1.1.0 
-struct bio_st {
-	const BIO_METHOD *method;
-	long (*callback) (struct bio_st *, int, const char *, int, long, long);
-	char *cb_arg;
-	int init;
-	int shutdown;
-	int flags;
-	int retry_reason;
-	int num;
-	void *ptr;
-	struct bio_st *next_bio;
-	struct bio_st *prev_bio;
-	int references;
-	uint64_t num_read;
-	uint64_t num_write;
-	CRYPTO_EX_DATA ex_data;
-	CRYPTO_RWLOCK *lock;
-};
-*/
-
-typedef int CRYPTO_REF_COUNT;
 
 /**
- * @brief This is the 'bio_st' struct definition from libssl 3.0.0. NOTE: This is an internal struct from
+ * @brief This is the 'bio_st' struct definition from libssl. NOTE: This is an internal struct from
  *   OpenSSL library, currently it's used for performing checks on the reads/writes performed on the BIO objects.
  *   It's extremely important to keep this struct up to date with each OpenSSL dependency update.
  */
+typedef int CRYPTO_REF_COUNT;
+
+#if (OPENSSL_VERSION_NUMBER & 0xFFFF0000) == 0x10100000
+#pragma message "libssl 1.1.x detected"
+struct bio_st {
+    const BIO_METHOD *method;
+    /* bio, mode, argp, argi, argl, ret */
+    BIO_callback_fn callback;
+    BIO_callback_fn_ex callback_ex;
+    char *cb_arg;               /* first argument for the callback */
+    int init;
+    int shutdown;
+    int flags;                  /* extra storage */
+    int retry_reason;
+    int num;
+    void *ptr;
+    struct bio_st *next_bio;    /* used by filter BIOs */
+    struct bio_st *prev_bio;    /* used by filter BIOs */
+    CRYPTO_REF_COUNT references;
+    uint64_t num_read;
+    uint64_t num_write;
+    CRYPTO_EX_DATA ex_data;
+    CRYPTO_RWLOCK *lock;
+};
+
+#elif (OPENSSL_VERSION_NUMBER & 0xFFFF0000) == 0x30000000 || (OPENSSL_VERSION_NUMBER & 0xFFFF0000) == 0x30100000
+#pragma message "libssl 3.0.x / 3.1.x detected"
 struct bio_st {
     OSSL_LIB_CTX *libctx;
     const BIO_METHOD *method;
@@ -64,6 +67,35 @@ struct bio_st {
     CRYPTO_RWLOCK *lock;
 };
 
+#elif (OPENSSL_VERSION_NUMBER & 0xFFFF0000) == 0x30200000
+#pragma message "libssl 3.2.x detected"
+struct bio_st {
+    OSSL_LIB_CTX *libctx;
+    const BIO_METHOD *method;
+    /* bio, mode, argp, argi, argl, ret */
+#ifndef OPENSSL_NO_DEPRECATED_3_0
+    BIO_callback_fn callback;
+#endif
+    BIO_callback_fn_ex callback_ex;
+    char *cb_arg;               /* first argument for the callback */
+    int init;
+    int shutdown;
+    int flags;                  /* extra storage */
+    int retry_reason;
+    int num;
+    void *ptr;
+    struct bio_st *next_bio;    /* used by filter BIOs */
+    struct bio_st *prev_bio;    /* used by filter BIOs */
+    CRYPTO_REF_COUNT references;
+    uint64_t num_read;
+    uint64_t num_write;
+    CRYPTO_EX_DATA ex_data;
+};
+
+#else
+#error "libssl version not supported: OPENSSL_VERSION_NUMBER = " ##OPENSSL_VERSION_NUMBER
+#endif
+
 
 #define RESULTSET_BUFLEN_DS_16K 16000
 #define RESULTSET_BUFLEN_DS_1M 1000*1024