diff --git a/analysis.go b/analysis.go
index b1705082..90e6cd94 100644
--- a/analysis.go
+++ b/analysis.go
@@ -20,17 +20,19 @@ import (
 	"golang.org/x/tools/go/analysis/passes/copylock"
 	"golang.org/x/tools/go/analysis/passes/errorsas"
 	"golang.org/x/tools/go/analysis/passes/httpresponse"
+	"golang.org/x/tools/go/analysis/passes/ifaceassert"
 	"golang.org/x/tools/go/analysis/passes/loopclosure"
 	"golang.org/x/tools/go/analysis/passes/lostcancel"
 	"golang.org/x/tools/go/analysis/passes/nilfunc"
 	"golang.org/x/tools/go/analysis/passes/printf"
 	"golang.org/x/tools/go/analysis/passes/shift"
 	"golang.org/x/tools/go/analysis/passes/stdmethods"
+	"golang.org/x/tools/go/analysis/passes/stringintconv"
 	"golang.org/x/tools/go/analysis/passes/structtag"
+	"golang.org/x/tools/go/analysis/passes/testinggoroutine"
 	"golang.org/x/tools/go/analysis/passes/tests"
 	"golang.org/x/tools/go/analysis/passes/unmarshal"
 	"golang.org/x/tools/go/analysis/passes/unreachable"
-	"golang.org/x/tools/go/analysis/passes/unsafeptr"
 	"golang.org/x/tools/go/analysis/passes/unusedresult"
 
 	"honnef.co/go/tools/simple"
@@ -42,6 +44,7 @@ func main() {
 	var analyzers []*analysis.Analyzer
 
 	// Add all cmd/vet analyzers.
+	// https://github.com/golang/go/issues/35487
 	analyzers = append(analyzers,
 		asmdecl.Analyzer,
 		assign.Analyzer,
@@ -53,17 +56,22 @@ func main() {
 		copylock.Analyzer,
 		errorsas.Analyzer,
 		httpresponse.Analyzer,
+		ifaceassert.Analyzer,
 		loopclosure.Analyzer,
 		lostcancel.Analyzer,
 		nilfunc.Analyzer,
 		printf.Analyzer,
 		shift.Analyzer,
 		stdmethods.Analyzer,
+		stringintconv.Analyzer,
 		structtag.Analyzer,
 		tests.Analyzer,
+		testinggoroutine.Analyzer,
 		unmarshal.Analyzer,
 		unreachable.Analyzer,
-		unsafeptr.Analyzer,
+		// False positives when using Windows DLL procs.
+		// https://github.com/golang/go/issues/41205
+		// unsafeptr.Analyzer,
 		unusedresult.Analyzer)
 
 	for _, v := range simple.Analyzers {
diff --git a/go.mod b/go.mod
index 0b7a7e37..348bca5d 100644
--- a/go.mod
+++ b/go.mod
@@ -3,9 +3,9 @@ module filippo.io/mkcert
 go 1.13
 
 require (
-	golang.org/x/net v0.0.0-20190620200207-3b0461eec859
-	golang.org/x/tools v0.0.0-20191108193012-7d206e10da11
-	honnef.co/go/tools v0.0.0-20191107024926-a9480a3ec3bc
+	golang.org/x/net v0.0.0-20201021035429-f5854403a974
+	golang.org/x/tools v0.0.0-20201124202034-299f270db459
+	honnef.co/go/tools v0.0.1-2020.1.6
 	howett.net/plist v0.0.0-20181124034731-591f970eefbb
 	software.sslmate.com/src/go-pkcs12 v0.0.0-20180114231543-2291e8f0f237
 )
diff --git a/go.sum b/go.sum
index c34158e5..67040812 100644
--- a/go.sum
+++ b/go.sum
@@ -7,27 +7,47 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
+github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
+golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwLmSJpwZ1yqXm8j0v2QI=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20201021035429-f5854403a974 h1:IX6qOQeG5uLjB/hjjwjedwfjND0hgjPMMyO1RoIXQNI=
+golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/tools v0.0.0-20191022074931-774d2ec196ee/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191108193012-7d206e10da11 h1:Yq9t9jnGoR+dBuitxdo9l6Q7xh/zOyNnYUtDKaQ3x0E=
-golang.org/x/tools v0.0.0-20191108193012-7d206e10da11/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200410194907-79a7a3126eef/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20201124202034-299f270db459 h1:XrUnpqJ8xqeZHrgPu3FuYCv9/O3MrxnIKh5/+MLDE8Q=
+golang.org/x/tools v0.0.0-20201124202034-299f270db459/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-honnef.co/go/tools v0.0.0-20191107024926-a9480a3ec3bc h1:G3KJU7T3tdNpGfKsED8OHHsQozNxEW0rDS785ks+feY=
-honnef.co/go/tools v0.0.0-20191107024926-a9480a3ec3bc/go.mod h1:bskWClgaWw7pMntzj97vj6x8S0hIhRBiTMJkNmGWTLE=
+honnef.co/go/tools v0.0.1-2020.1.6 h1:W18jzjh8mfPez+AwGLxmOImucz/IFjpNlrKVnaj2YVc=
+honnef.co/go/tools v0.0.1-2020.1.6/go.mod h1:pyyisuGw24ruLjrr1ddx39WE0y9OooInRzEYLhQB2YY=
 howett.net/plist v0.0.0-20181124034731-591f970eefbb h1:jhnBjNi9UFpfpl8YZhA9CrOqpnJdvzuiHsl/dnxl11M=
 howett.net/plist v0.0.0-20181124034731-591f970eefbb/go.mod h1:vMygbs4qMhSZSc4lCUl2OEE+rDiIIJAIdR4m7MiMcm0=
 software.sslmate.com/src/go-pkcs12 v0.0.0-20180114231543-2291e8f0f237 h1:iAEkCBPbRaflBgZ7o9gjVUuWuvWeV4sytFWg9o+Pj2k=
diff --git a/truststore_windows.go b/truststore_windows.go
index 928bc033..805e1b01 100644
--- a/truststore_windows.go
+++ b/truststore_windows.go
@@ -38,7 +38,7 @@ func (m *mkcert) installPlatform() bool {
 	fatalIfErr(err, "failed to read root certificate")
 	// Decode PEM
 	if certBlock, _ := pem.Decode(cert); certBlock == nil || certBlock.Type != "CERTIFICATE" {
-		fatalIfErr(fmt.Errorf("Invalid PEM data"), "decode pem")
+		fatalIfErr(fmt.Errorf("invalid PEM data"), "decode pem")
 	} else {
 		cert = certBlock.Bytes
 	}
@@ -60,7 +60,7 @@ func (m *mkcert) uninstallPlatform() bool {
 	// Do the deletion
 	deletedAny, err := store.deleteCertsWithSerial(m.caCert.SerialNumber)
 	if err == nil && !deletedAny {
-		err = fmt.Errorf("No certs found")
+		err = fmt.Errorf("no certs found")
 	}
 	fatalIfErr(err, "delete cert")
 	return true
@@ -69,11 +69,15 @@ func (m *mkcert) uninstallPlatform() bool {
 type windowsRootStore uintptr
 
 func openWindowsRootStore() (windowsRootStore, error) {
-	store, _, err := procCertOpenSystemStoreW.Call(0, uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr("ROOT"))))
+	rootStr, err := syscall.UTF16PtrFromString("ROOT")
+	if err != nil {
+		return 0, err
+	}
+	store, _, err := procCertOpenSystemStoreW.Call(0, uintptr(unsafe.Pointer(rootStr)))
 	if store != 0 {
 		return windowsRootStore(store), nil
 	}
-	return 0, fmt.Errorf("Failed to open windows root store: %v", err)
+	return 0, fmt.Errorf("failed to open windows root store: %v", err)
 }
 
 func (w windowsRootStore) close() error {
@@ -81,7 +85,7 @@ func (w windowsRootStore) close() error {
 	if ret != 0 {
 		return nil
 	}
-	return fmt.Errorf("Failed to close windows root store: %v", err)
+	return fmt.Errorf("failed to close windows root store: %v", err)
 }
 
 func (w windowsRootStore) addCert(cert []byte) error {
@@ -97,7 +101,7 @@ func (w windowsRootStore) addCert(cert []byte) error {
 	if ret != 0 {
 		return nil
 	}
-	return fmt.Errorf("Failed adding cert: %v", err)
+	return fmt.Errorf("failed adding cert: %v", err)
 }
 
 func (w windowsRootStore) deleteCertsWithSerial(serial *big.Int) (bool, error) {
@@ -111,7 +115,7 @@ func (w windowsRootStore) deleteCertsWithSerial(serial *big.Int) (bool, error) {
 			if errno, ok := err.(syscall.Errno); ok && errno == 0x80092004 {
 				break
 			}
-			return deletedAny, fmt.Errorf("Failed enumerating certs: %v", err)
+			return deletedAny, fmt.Errorf("failed enumerating certs: %v", err)
 		}
 		// Parse cert
 		certBytes := (*[1 << 20]byte)(unsafe.Pointer(cert.EncodedCert))[:cert.Length]
@@ -121,10 +125,10 @@ func (w windowsRootStore) deleteCertsWithSerial(serial *big.Int) (bool, error) {
 			// Duplicate the context so it doesn't stop the enum when we delete it
 			dupCertPtr, _, err := procCertDuplicateCertificateContext.Call(uintptr(unsafe.Pointer(cert)))
 			if dupCertPtr == 0 {
-				return deletedAny, fmt.Errorf("Failed duplicating context: %v", err)
+				return deletedAny, fmt.Errorf("failed duplicating context: %v", err)
 			}
 			if ret, _, err := procCertDeleteCertificateFromStore.Call(dupCertPtr); ret == 0 {
-				return deletedAny, fmt.Errorf("Failed deleting certificate: %v", err)
+				return deletedAny, fmt.Errorf("failed deleting certificate: %v", err)
 			}
 			deletedAny = true
 		}