diff --git a/go.mod b/go.mod
index 4efba117..7fd6d4cd 100644
--- a/go.mod
+++ b/go.mod
@@ -5,9 +5,9 @@ go 1.18
 require (
 	github.com/alessio/shellescape v1.4.1
 	github.com/creack/pty v1.1.18
-	github.com/fsnotify/fsnotify v1.5.4
+	github.com/fsnotify/fsnotify v1.6.0
 	github.com/google/uuid v1.3.0
 	golang.org/x/mod v0.5.1
-	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad
-	mvdan.cc/sh/v3 v3.5.1
+	golang.org/x/sys v0.10.0
+	mvdan.cc/sh/v3 v3.7.0
 )
diff --git a/go.sum b/go.sum
index cfc0858c..82889351 100644
--- a/go.sum
+++ b/go.sum
@@ -3,18 +3,30 @@ github.com/alessio/shellescape v1.4.1/go.mod h1:PZAiSCk0LJaZkiCSkPv8qIobYglO3FPp
 github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY=
 github.com/creack/pty v1.1.18/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
 github.com/frankban/quicktest v1.14.0 h1:+cqqvzZV87b4adx/5ayVOaYZ2CrvM4ejQvUdBzPPUss=
+github.com/frankban/quicktest v1.14.5 h1:dfYrrRyLtiqT9GyKXgdh+k4inNeTvmGbuSgZ3lx3GhA=
 github.com/fsnotify/fsnotify v1.5.4 h1:jRbGcIw6P2Meqdwuo0H1p6JVLbL5DHKAKlYndzMwVZI=
 github.com/fsnotify/fsnotify v1.5.4/go.mod h1:OVB6XrOHzAwXMpEM7uPOzcehqUV2UqJxmVXmkdnm1bU=
+github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY=
+github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
 github.com/google/go-cmp v0.5.6 h1:BKbKCqvP6I+rmFHt06ZmyQtvB8xAkWdhFyr0ZUNZcxQ=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/rogpeppe/go-internal v1.8.1 h1:geMPLpDpQOgVyCg5z5GoRwLHepNdb71NXb67XFkP+Eg=
+github.com/rogpeppe/go-internal v1.10.1-0.20230524175051-ec119421bb97 h1:3RPlVWzZ/PDqmVuf/FKHARG5EMid/tl7cv54Sw/QRVY=
 golang.org/x/mod v0.5.1 h1:OJxoQ/rynoF0dcCdI7cLPktw/hR2cueqYfjm43oqK38=
 golang.org/x/mod v0.5.1/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
 golang.org/x/sys v0.0.0-20220412211240-33da011f77ad h1:ntjMns5wyP/fN65tdBD4g8J5w8n015+iIIs9rtjXkY0=
 golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
+golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898 h1:/atklqdjdhuosWIl6AIbOeHJjicWYPqR9bpxqxYG2pA=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 mvdan.cc/sh/v3 v3.5.1 h1:hmP3UOw4f+EYexsJjFxvU38+kn+V/s2CclXHanIBkmQ=
 mvdan.cc/sh/v3 v3.5.1/go.mod h1:1JcoyAKm1lZw/2bZje/iYKWicU/KMd0rsyJeKHnsK4E=
+mvdan.cc/sh/v3 v3.7.0 h1:lSTjdP/1xsddtaKfGg7Myu7DnlHItd3/M2tomOcNNBg=
+mvdan.cc/sh/v3 v3.7.0/go.mod h1:K2gwkaesF/D7av7Kxl0HbF5kGOd2ArupNTX3X44+8l8=
diff --git a/pkg/cirfile/cirfile.go b/pkg/cirfile/cirfile.go
index 59e44651..fef9a764 100644
--- a/pkg/cirfile/cirfile.go
+++ b/pkg/cirfile/cirfile.go
@@ -10,9 +10,9 @@ import (
 )
 
 // CBUF[version] [maxsize] [fileoffset] [startpos] [endpos]
-const HeaderFmt = "CBUF%02d %19d %19d %19d %19d\n" // 87 bytes
-const HeaderLen = 256                              // set to 256 for future expandability
-const FullHeaderFmt = "%-255s\n"                   // 256 bytes (255 + newline)
+const HeaderFmt1 = "CBUF%02d %19d %19d %19d %19d\n" // 87 bytes
+const HeaderLen = 256                               // set to 256 for future expandability
+const FullHeaderFmt = "%-255s\n"                    // 256 bytes (255 + newline)
 const CurrentVersion = 1
 const FilePosEmpty = -1 // sentinel, if startpos is set to -1, file is empty
 
@@ -203,7 +203,7 @@ func (f *File) readMeta() error {
 		return fmt.Errorf("error reading header: %w", err)
 	}
 	// currently only one version, so we don't need to have special logic here yet
-	_, err = fmt.Sscanf(string(buf), HeaderFmt, &f.Version, &f.MaxSize, &f.FileOffset, &f.StartPos, &f.EndPos)
+	_, err = fmt.Sscanf(string(buf), HeaderFmt1, &f.Version, &f.MaxSize, &f.FileOffset, &f.StartPos, &f.EndPos)
 	if err != nil {
 		return fmt.Errorf("sscanf error: %w", err)
 	}
@@ -240,7 +240,7 @@ func (f *File) writeMeta() error {
 	if err != nil {
 		return fmt.Errorf("cannot seek file: %w", err)
 	}
-	metaStr := fmt.Sprintf(HeaderFmt, f.Version, f.MaxSize, f.FileOffset, f.StartPos, f.EndPos)
+	metaStr := fmt.Sprintf(HeaderFmt1, f.Version, f.MaxSize, f.FileOffset, f.StartPos, f.EndPos)
 	fullMetaStr := fmt.Sprintf(FullHeaderFmt, metaStr)
 	_, err = f.OSFile.WriteString(fullMetaStr)
 	if err != nil {