diff --git a/kvstore.go b/kvstore.go
index 4764a51..ac91b25 100644
--- a/kvstore.go
+++ b/kvstore.go
@@ -64,7 +64,7 @@ func (kv KV) Keys(namespace string) (KVAPI, error) {
 }
 
 // Get returns an entry
-func (kv KV) Get(namespace string, key string) (KVAPI, error) {
+func (kv KV) Get(namespace string, key string, revision ...uint) (KVAPI, error) {
 	m := KVAPI{
 		Params: &kvParams{},
 	}
@@ -74,6 +74,10 @@ func (kv KV) Get(namespace string, key string) (KVAPI, error) {
 		EntryKey:  key,
 	}
 
+	if len(revision) > 0 {
+		m.Params.Options.Revision = revision[0]
+	}
+
 	m.Method = "get"
 
 	r, err := kvAPIOut(kv.keybase, m)
@@ -84,7 +88,7 @@ func (kv KV) Get(namespace string, key string) (KVAPI, error) {
 }
 
 // Put adds an entry
-func (kv KV) Put(namespace string, key string, value string) (KVAPI, error) {
+func (kv KV) Put(namespace string, key string, value string, revision ...uint) (KVAPI, error) {
 	m := KVAPI{
 		Params: &kvParams{},
 	}
@@ -95,6 +99,10 @@ func (kv KV) Put(namespace string, key string, value string) (KVAPI, error) {
 		EntryValue: value,
 	}
 
+	if len(revision) > 0 {
+		m.Params.Options.Revision = revision[0]
+	}
+
 	m.Method = "put"
 
 	r, err := kvAPIOut(kv.keybase, m)
@@ -105,7 +113,7 @@ func (kv KV) Put(namespace string, key string, value string) (KVAPI, error) {
 }
 
 // Delete removes an entry
-func (kv KV) Delete(namespace string, key string) (KVAPI, error) {
+func (kv KV) Delete(namespace string, key string, revision ...uint) (KVAPI, error) {
 	m := KVAPI{
 		Params: &kvParams{},
 	}
@@ -115,6 +123,10 @@ func (kv KV) Delete(namespace string, key string) (KVAPI, error) {
 		EntryKey:  key,
 	}
 
+	if len(revision) > 0 {
+		m.Params.Options.Revision = revision[0]
+	}
+
 	m.Method = "del"
 
 	r, err := kvAPIOut(kv.keybase, m)
diff --git a/types.go b/types.go
index 06e8fa4..7a10120 100644
--- a/types.go
+++ b/types.go
@@ -659,7 +659,7 @@ type kvOptions struct {
 	Team       string `json:"team,omitempty"`
 	Namespace  string `json:"namespace,omitempty"`
 	EntryKey   string `json:"entryKey,omitempty"`
-	Revision   int    `json:"revision,omitempty"`
+	Revision   uint   `json:"revision,omitempty"`
 	EntryValue string `json:"entryValue,omitempty"`
 }
 
@@ -669,7 +669,7 @@ type kvParams struct {
 
 type entryKey struct {
 	EntryKey string `json:"entryKey"`
-	Revision int    `json:"revision"`
+	Revision uint   `json:"revision"`
 }
 
 type kvResult struct {
@@ -678,7 +678,7 @@ type kvResult struct {
 	EntryKeys  []entryKey `json:"entryKeys"`
 	EntryKey   string     `json:"entryKey"`
 	EntryValue string     `json:"entryValue"`
-	Revision   int        `json:"revision"`
+	Revision   uint       `json:"revision"`
 }
 
 // UserAPI holds information received from the user/lookup api