diff --git a/t/049-gmatch-jit.t b/t/049-gmatch-jit.t
index 3cf9ae57b9..b76df35e98 100644
--- a/t/049-gmatch-jit.t
+++ b/t/049-gmatch-jit.t
@@ -212,7 +212,6 @@ $Test::Nginx::Util::PcreVersion == 2 ?
 
 
 
-
 === TEST 8: gmatch matched but only iterate once and still matches remain + o
 --- config
     location /re {
diff --git a/t/cert/test.crt b/t/cert/test.crt
index a69a01141a..9fed1bc3b4 100644
--- a/t/cert/test.crt
+++ b/t/cert/test.crt
@@ -1,17 +1,22 @@
 -----BEGIN CERTIFICATE-----
-MIICqTCCAhICCQClDm1WkreW4jANBgkqhkiG9w0BAQUFADCBlzELMAkGA1UEBhMC
-VVMxEzARBgNVBAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDVNhbiBGcmFuY2lzY28x
-EjAQBgNVBAoMCU9wZW5SZXN0eTESMBAGA1UECwwJT3BlblJlc3R5MREwDwYDVQQD
-DAh0ZXN0LmNvbTEgMB4GCSqGSIb3DQEJARYRYWdlbnR6aEBnbWFpbC5jb20wIBcN
-MTQwNzIxMDMyMzQ3WhgPMjE1MTA2MTMwMzIzNDdaMIGXMQswCQYDVQQGEwJVUzET
-MBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNU2FuIEZyYW5jaXNjbzESMBAG
-A1UECgwJT3BlblJlc3R5MRIwEAYDVQQLDAlPcGVuUmVzdHkxETAPBgNVBAMMCHRl
-c3QuY29tMSAwHgYJKoZIhvcNAQkBFhFhZ2VudHpoQGdtYWlsLmNvbTCBnzANBgkq
-hkiG9w0BAQEFAAOBjQAwgYkCgYEA6P18zUvtmaKQK2xePy8ZbFwSyTLw+jW6t9eZ
-aiTec8X3ibN9WemrxHzkTRikxP3cAQoITRuZiQvF4Q7DO6wMkz/b0zwfgX5uedGq
-047AJP6n/mwlDOjGSNomBLoXQzo7tVe60ikEm3ZyDUqnJPJMt3hImO5XSop4MPMu
-Za9WhFcCAwEAATANBgkqhkiG9w0BAQUFAAOBgQA4OBb9bOyWB1//93nSXX1mdENZ
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-0eXrcKalbO2Ce6nShoFvQCQKXN2Txmq2vO/Mud2bHAWwJALg+qi1Iih/gVYB9sct
-FLg8zFOzRlYiU+6Mmw==
+MIIDtzCCAp8CFCJnLifDCaXjYb2ARKBBhs+aAgYOMA0GCSqGSIb3DQEBCwUAMIGX
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+t2WrNYesC5GqLNRm87m6PVt010tZvq/WxTn6+9qruiGm1PhFxzLQfrClpEeOshlG
+UeoQjPOMrhCmofDM2NQo3D4wIQT0kCJxIPq6wCZt22/Yqz1EmR0UnF/R3ZtiB8O+
+SQGcsUKy4se3919xq+ZkzBdMxLneO5sofUiDC9MgRfiU960tbHPGX9I9P+kLK89S
+yajPEYaRUkSBFjV5kdDK3+L6XckdMbY2pvwhAnVXSmd13Bf2V9XisUrX2Mr4YlnS
+sy0CAwEAATANBgkqhkiG9w0BAQsFAAOCAQEAVPY/z6Mvjg5EGHzU8bXyuXqxrx8Q
+GBwf3PY25aDF6ofRrTCzMdIhthv8eRtGwHinkpgaK34D7hI/dPB7aswQTzED5c+l
+S2au5OzzCj454oXdhSRA5Rt0mu/+pxmQ+iNk+7XJxgTN0mk1dYQqodyZ+vC4NIYb
+javMlU4zDm4JPtwDs0Mz/d7gf14MU60jppF2vl6AYFHKYBLMHBmqxjy6H9YHjRjQ
+oe4TNpn0zxJAPu5LqMkfB2+eLOe6ced7DcLLbbeVJ4Xtqj6Y5KsAyVojWQxrk4vW
+3WO/953pHofO5F2ricS/rsf+5ivTmfiP8mQYTtp7k3T11sIZ4DOmtNwO4A==
 -----END CERTIFICATE-----
diff --git a/t/cert/test.key b/t/cert/test.key
index 6c13527117..4c8c905b2f 100644
--- a/t/cert/test.key
+++ b/t/cert/test.key
@@ -1,15 +1,28 @@
------BEGIN RSA PRIVATE KEY-----
-MIICXgIBAAKBgQDo/XzNS+2ZopArbF4/LxlsXBLJMvD6Nbq315lqJN5zxfeJs31Z
-6avEfORNGKTE/dwBCghNG5mJC8XhDsM7rAyTP9vTPB+Bfm550arTjsAk/qf+bCUM
-6MZI2iYEuhdDOju1V7rSKQSbdnINSqck8ky3eEiY7ldKingw8y5lr1aEVwIDAQAB
-AoGBANgB66sKMga2SKN5nQdHS3LDCkevCutu1OWM5ZcbB4Kej5kC57xsf+tzPtab
-emeIVGhCPOAALqB4YcT+QtMX967oM1MjcFbtH7si5oq6UYyp3i0G9Si6jIoVHz3+
-8yOUaqwKbK+bRX8VS0YsHZmBsPK5ryN50iUwsU08nemoA94BAkEA9GS9Q5OPeFkM
-tFxsIQ1f2FSsZAuN/1cpZgJqY+YaAN7MSPGTWyfd7nWG/Zgk3GO9/2ihh4gww+7B
-To09GkmW4QJBAPQOHC2V+t2TA98+6Lj6+TYwcGEkhOENfVpH25mQ+kXgF/1Bd6rA
-nosT1bdAY+SnmWXbSw6Kv5C20Em+bEX8WjcCQCSRRjhsRdVODbaW9Z7kb2jhEoJN
-sEt6cTlQNzcHYPCsZYisjM3g4zYg47fiIfHQAsfKkhDDcfh/KvFj9LaQOEECQQCH
-eBWYEDpSJ7rsfqT7mQQgWj7nDThdG/nK1TxGP71McBmg0Gg2dfkLRhVJRQqt74Is
-kc9V4Rp4n6F6baL4Lh19AkEA6pZZer0kg3Kv9hjhaITIKUYdfIp9vYnDRWbQlBmR
-atV8V9u9q2ETZvqfHpN+9Lu6NYR4yXIEIRf1bnIZ/mr9eQ==
------END RSA PRIVATE KEY-----
+-----BEGIN PRIVATE KEY-----
+MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQCc0TBaCw7mDsCf
+LM60uJzom7Yopol2SRsdyP0XBWcWh+Jy/1nBG9X8H7TEMce9yASZ6pw2JAzs1Jsy
+LTzJ9LdlqzWHrAuRqizUZvO5uj1bdNdLWb6v1sU5+vvaq7ohptT4Rccy0H6wpaRH
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+CyvPUsmozxGGkVJEgRY1eZHQyt/i+l3JHTG2Nqb8IQJ1V0pnddwX9lfV4rFK19jK
++GJZ0rMtAgMBAAECggEABjaOkcllis1o/yrVZMPPabLpAHV6tZ5MuKfNiUOMSPr+
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+rUquELBJH6nh9SZqfpSqKaJgHlNe6vehHuRYikJRkrJwVzegGjuekm3B+y6Zl/gc
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+Xyq4SPEsWKnEAl2kZdaIBR6zIx7Z3zNUwkfb32QwNoSyo8wS7lCgf2GVS7r1Eul6
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+aAzIAYookceVA0I9L/fbOQW7RgpvYpM8lxr31TQ3fBDkXSgjzMMYjnk4kz+xN+BB
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+M0VDdn+5Njr3wFqK3zOtjKsx57/FkrVXjq/9PVh6yR+CfcRfn8RQSuNdt4L+r/ud
+95BSuc1mrtUsc9for8PVIjs1ZGJxpbgcBphbLvqF04SPT0u7WKhWewMBAoGAcJO/
+RAUiitsbaExcADORKQDvIf0uThOuJ8dZevhzdQ/YOftTsy0JAMM05fMUfteWR8uw
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+xg/0mfCbJKtwr4rRvnuu7DsCp1pg0ybQui6VfDkCgYBXHwcrZwmv7kgr4pUG6oZj
+fzjFenQFqibvb2h7QESyCW13O885GxU13DKv4zg1yi6EqPIopz16qCiUNCvWr5Us
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+t2hoKM9/vrVFh9p9qGzckg==
+-----END PRIVATE KEY-----
diff --git a/valgrind.suppress b/valgrind.suppress
index bdf81131ce..743fb67d77 100644
--- a/valgrind.suppress
+++ b/valgrind.suppress
@@ -257,3 +257,50 @@
    fun:ngx_init_cycle
    fun:main
 }
+{
+   <insert_a_suppression_name_here>
+   Memcheck:Leak
+   match-leak-kinds: definite
+   fun:malloc
+   fun:ngx_alloc
+   fun:ngx_regex_malloc
+   fun:pcre2_compile_context_create_8
+   fun:ngx_regex_compile
+   fun:ngx_http_regex_compile
+   fun:ngx_http_rewrite
+   fun:ngx_conf_handler
+   fun:ngx_conf_parse
+   fun:ngx_http_core_location
+   fun:ngx_conf_handler
+   fun:ngx_conf_parse
+   fun:ngx_http_core_server
+   fun:ngx_conf_handler
+   fun:ngx_conf_parse
+   fun:ngx_http_block
+   fun:ngx_conf_handler
+   fun:ngx_conf_parse
+   fun:ngx_init_cycle
+   fun:main
+}
+{
+   <insert_a_suppression_name_here>
+   Memcheck:Leak
+   match-leak-kinds: definite
+   fun:malloc
+   fun:ngx_alloc
+   fun:ngx_regex_malloc
+   fun:pcre2_compile_context_create_8
+   fun:ngx_regex_compile
+   fun:ngx_http_regex_compile
+   fun:ngx_http_rewrite
+   fun:ngx_conf_handler
+   fun:ngx_conf_parse
+   fun:ngx_http_core_server
+   fun:ngx_conf_handler
+   fun:ngx_conf_parse
+   fun:ngx_http_block
+   fun:ngx_conf_handler
+   fun:ngx_conf_parse
+   fun:ngx_init_cycle
+   fun:main
+}