diff --git a/cmd/hiveview/assets/lib/app-common.js b/cmd/hiveview/assets/lib/app-common.js
index 4df5d67d55..8bdb2ccb6d 100644
--- a/cmd/hiveview/assets/lib/app-common.js
+++ b/cmd/hiveview/assets/lib/app-common.js
@@ -32,6 +32,11 @@ function hiveInfoHTML(data) {
         let link = makeLink(url, data.sourceCommit.substring(0, 8));
         txt += '<span>commit: ' + link.outerHTML + '</span>';
     }
+    if (data.simulatorsVersion) {
+        let url = 'https://github.com/ethereum/hive/commits/' + escape(data.simulatorsVersion);
+        let link = makeLink(url, data.simulatorsVersion.substring(0, 8));
+        txt += '<span>simulators: ' + link.outerHTML + '</span>';
+    }
     return txt;
 }
 
diff --git a/hive.go b/hive.go
index b6bda9a755..ba2f19eeb7 100644
--- a/hive.go
+++ b/hive.go
@@ -6,6 +6,7 @@ import (
 	"flag"
 	"fmt"
 	"os"
+	"os/exec"
 	"os/signal"
 	"regexp"
 	"strings"
@@ -114,6 +115,7 @@ func main() {
 		SimRandomSeed:      *simRandomSeed,
 		SimDurationLimit:   *simTimeLimit,
 		ClientStartTimeout: *clientTimeout,
+		SimulatorsVersion:  simulatorsVersion(),
 	}
 	runner := libhive.NewRunner(inv, builder, cb)
 
@@ -189,3 +191,13 @@ func flagIsSet(name string) bool {
 	})
 	return found
 }
+
+func simulatorsVersion() (commit *string) {
+	// Get the current folder's HEAD commit.
+	out, err := exec.Command("git", "rev-parse", "HEAD").Output()
+	if err != nil {
+		return nil
+	}
+	output := strings.TrimSpace(string(out[:]))
+	return &output
+}
diff --git a/internal/libhive/data.go b/internal/libhive/data.go
index 95ee73d37b..63b2471d56 100644
--- a/internal/libhive/data.go
+++ b/internal/libhive/data.go
@@ -22,11 +22,12 @@ func (tsID TestID) String() string {
 
 // TestSuite is a single run of a simulator, a collection of testcases.
 type TestSuite struct {
-	ID             TestSuiteID          `json:"id"`
-	Name           string               `json:"name"`
-	Description    string               `json:"description"`
-	ClientVersions map[string]string    `json:"clientVersions"`
-	TestCases      map[TestID]*TestCase `json:"testCases"`
+	ID                TestSuiteID          `json:"id"`
+	Name              string               `json:"name"`
+	Description       string               `json:"description"`
+	ClientVersions    map[string]string    `json:"clientVersions"`
+	SimulatorsVersion *string              `json:"simulatorsVersion,omitempty"`
+	TestCases         map[TestID]*TestCase `json:"testCases"`
 
 	SimulatorLog   string `json:"simLog"`         // path to simulator log-file simulator. (may be shared with multiple suites)
 	TestDetailsLog string `json:"testDetailsLog"` // the test details output file
@@ -74,9 +75,10 @@ type ClientInfo struct {
 
 // HiveInstance contains information about hive itself.
 type HiveInstance struct {
-	SourceCommit string `json:"sourceCommit"`
-	SourceDate   string `json:"sourceDate"`
-	BuildDate    string `json:"buildDate"`
+	SourceCommit      string  `json:"sourceCommit"`
+	SourceDate        string  `json:"sourceDate"`
+	BuildDate         string  `json:"buildDate"`
+	SimulatorsVersion *string `json:"simulatorsVersion,omitempty"`
 }
 
 // ClientDefinition is served by the /clients API endpoint to list the available clients
diff --git a/internal/libhive/run.go b/internal/libhive/run.go
index b01229642d..9992a95bc1 100644
--- a/internal/libhive/run.go
+++ b/internal/libhive/run.go
@@ -104,7 +104,7 @@ func (r *Runner) Run(ctx context.Context, sim string, env SimEnv) (SimResult, er
 	if err := createWorkspace(env.LogDir); err != nil {
 		return SimResult{}, err
 	}
-	writeInstanceInfo(env.LogDir)
+	writeInstanceInfo(env.LogDir, env.SimulatorsVersion)
 	return r.run(ctx, sim, env)
 }
 
@@ -303,9 +303,10 @@ func createWorkspace(logdir string) error {
 	return nil
 }
 
-func writeInstanceInfo(logdir string) {
+func writeInstanceInfo(logdir string, simulatorsVersion *string) {
 	var obj HiveInstance
 	obj.SourceCommit, obj.SourceDate = hiveVersion()
+	obj.SimulatorsVersion = simulatorsVersion
 	buildDate := hiveBuildTime()
 	if !buildDate.IsZero() {
 		obj.BuildDate = buildDate.Format("2006-01-02T15:04:05Z")
diff --git a/internal/libhive/testmanager.go b/internal/libhive/testmanager.go
index fe7bc6a0cf..e7a0e84a0e 100644
--- a/internal/libhive/testmanager.go
+++ b/internal/libhive/testmanager.go
@@ -48,6 +48,9 @@ type SimEnv struct {
 	// This configures the amount of time the simulation waits
 	// for the client to open port 8545 after launching the container.
 	ClientStartTimeout time.Duration
+
+	// Information about the simulators to put in the results.
+	SimulatorsVersion *string
 }
 
 // SimResult summarizes the results of a simulation run.
@@ -395,14 +398,15 @@ func (manager *TestManager) StartTestSuite(name string, description string) (Tes
 	}
 
 	manager.runningTestSuites[newSuiteID] = &TestSuite{
-		ID:              newSuiteID,
-		Name:            name,
-		Description:     description,
-		ClientVersions:  make(map[string]string),
-		TestCases:       make(map[TestID]*TestCase),
-		SimulatorLog:    manager.simLogFile,
-		TestDetailsLog:  testLogPath,
-		testDetailsFile: testLogFile,
+		ID:                newSuiteID,
+		Name:              name,
+		Description:       description,
+		ClientVersions:    make(map[string]string),
+		TestCases:         make(map[TestID]*TestCase),
+		SimulatorLog:      manager.simLogFile,
+		SimulatorsVersion: manager.config.SimulatorsVersion,
+		TestDetailsLog:    testLogPath,
+		testDetailsFile:   testLogFile,
 	}
 	manager.testSuiteCounter++
 	return newSuiteID, nil