diff --git a/src/main/java/hudson/plugins/s3/S3CopyArtifact.java b/src/main/java/hudson/plugins/s3/S3CopyArtifact.java
index 55fd8169..eb303c3e 100644
--- a/src/main/java/hudson/plugins/s3/S3CopyArtifact.java
+++ b/src/main/java/hudson/plugins/s3/S3CopyArtifact.java
@@ -56,7 +56,6 @@
 import hudson.model.listeners.RunListener;
 import hudson.plugins.copyartifact.BuildFilter;
 import hudson.plugins.copyartifact.BuildSelector;
-import hudson.plugins.copyartifact.Messages;
 import hudson.plugins.copyartifact.ParametersBuildFilter;
 import hudson.plugins.copyartifact.WorkspaceSelector;
 import hudson.security.AccessControlled;
diff --git a/src/main/resources/hudson/plugins/s3/Messages.properties b/src/main/resources/hudson/plugins/s3/Messages.properties
new file mode 100644
index 00000000..52e45a1a
--- /dev/null
+++ b/src/main/resources/hudson/plugins/s3/Messages.properties
@@ -0,0 +1,22 @@
+# copied from copyartifact-1.21.
+CopyArtifact.Copied=Copied {0} {0,choice,0#artifacts|1#artifact|1<artifacts} from "{1}" build number {2}
+CopyArtifact.DisplayName=Copy artifacts from another project
+CopyArtifact.FailedToCopy=Failed to copy artifacts from {0} with filter: {1}
+CopyArtifact.MatrixProject=Artifacts will be copied from all configurations of this multiconfiguration project; click the help icon to learn about selecting a particular configuration.
+CopyArtifact.MavenProject=Artifacts will be copied from all modules of this Maven project; click the help icon to learn about selecting a particular module.
+CopyArtifact.MissingBuild=Unable to find a build for artifact copy from: {0}
+CopyArtifact.MissingProject=Unable to find project for artifact copy: {0}\n\
+This may be due to incorrect project name or permission settings; \
+see help for project name in job configuration.
+CopyArtifact.MissingSrcArtifacts=Unable to access upstream artifacts area. Does source project archive artifacts?
+CopyArtifact.MissingSrcWorkspace=Unable to access upstream workspace for artifact copy. Slave node offline?
+CopyArtifact.MissingWorkspace=Unable to access workspace for artifact copy. Slave node offline?
+CopyArtifact.ParameterizedName=Value references a build parameter, so it cannot be validated.
+PermalinkBuildSelector.DisplayName=Specified by permalink
+StatusBuildSelector.DisplayName=Latest successful build
+SavedBuildSelector.DisplayName=Latest saved build (marked "keep forever")
+SpecificBuildSelector.DisplayName=Specific build
+TriggeredBuildSelector.DisplayName=Upstream build that triggered this job
+ParameterizedBuildSelector.DisplayName=Specified by a build parameter
+BuildSelectorParameter.DisplayName=Build selector for Copy Artifact
+WorkspaceSelector.DisplayName=Copy from WORKSPACE of latest completed build
diff --git a/src/main/resources/hudson/plugins/s3/Messages_de.properties b/src/main/resources/hudson/plugins/s3/Messages_de.properties
new file mode 100644
index 00000000..95cb76d7
--- /dev/null
+++ b/src/main/resources/hudson/plugins/s3/Messages_de.properties
@@ -0,0 +1,22 @@
+# copied from copyartifact-1.21.
+CopyArtifact.Copied={0} {0,choice,0#Artefakte|1#Artefakt|1<Artefakte} aus "{1}" Buildnummer {2} kopiert
+CopyArtifact.DisplayName=Artefakte aus einem anderen Projekt kopieren
+CopyArtifact.FailedToCopy=Artefaktekopie aus {0} mit Filter: {1} fehlgeschlagen
+CopyArtifact.MatrixProject=Artefakte werden aus allen Konfigurationen dieses Multikonfigurationsprojekts kopiert; Hilfe Icon anklicken um mehr \u00fcber die Auswahl einer einzelnen Konfiguration zu erfahren.
+CopyArtifact.MavenProject=Artefakte werden aus allen Modulen dieses Maven Projekts kopiert; Hilfe Icon anklicken um mehr \u00fcber die Auswahl eines einzelnen Moduls zu erfahren.
+CopyArtifact.MissingBuild=Konnte kein Build finden f\u00fcr die Artefaktekopie aus: {0}
+CopyArtifact.MissingProject=Konnte kein Projekt finden f\u00fcr die Artefaktkopie aus: {0}\n\
+Das k\u00f6nnte an einem falschen Projektnamen oder fehlenden Zugriffsrechten liegen; \
+Vergleiche mit der Hilfe f\u00fcr Projektnamen in der Jobkonfiguration.
+CopyArtifact.MissingSrcArtifacts=Konnte nicht auf vorgelagerten Artefaktbereich zugreifen. Archiviert das Quellprojekt Artefakte?
+CopyArtifact.MissingSrcWorkspace=Konnte nicht auf vorgelagerten Arbeitsbereich f\u00fcr Artefaktkopie zugreifen. Slave-Knoten offline?
+CopyArtifact.MissingWorkspace=Konnte nicht auf Arbeitsbereich f\u00fcr Artefaktkopie zugreifen. Slave-Knoten offline?
+CopyArtifact.ParameterizedName=Wert referenziert ein Buildparameter, deshalb kann er nicht \u00fcberpr\u00fcft werden.
+PermalinkBuildSelector.DisplayName=Als Permalink angegebener Build
+StatusBuildSelector.DisplayName=Letzter erfolgreicher Build
+SavedBuildSelector.DisplayName=Letzter gespeicherter Build (markiert als "Keep Forever")
+SpecificBuildSelector.DisplayName=Spezifisches Build
+TriggeredBuildSelector.DisplayName=Vorgelagerter Build, der diesen Job gestartet hat
+ParameterizedBuildSelector.DisplayName=Als Buildparameter angegebener Build
+BuildSelectorParameter.DisplayName=Buildselektor f\u00fcr Artefaktkopie
+WorkspaceSelector.DisplayName=Kopiere aus ARBEITSBEREICH des letzten beendeten Builds
diff --git a/src/main/resources/hudson/plugins/s3/Messages_ja.properties b/src/main/resources/hudson/plugins/s3/Messages_ja.properties
new file mode 100644
index 00000000..433e40bd
--- /dev/null
+++ b/src/main/resources/hudson/plugins/s3/Messages_ja.properties
@@ -0,0 +1,19 @@
+# copied from copyartifact-1.21.
+CopyArtifact.Copied={1} \u304b\u3089 {0}\u500b\u306e\u6210\u679c\u7269\u3092\u30b3\u30d4\u30fc\u3057\u307e\u3057\u305f\u3002
+CopyArtifact.DisplayName=\u4ed6\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304b\u3089\u6210\u679c\u7269\u3092\u30b3\u30d4\u30fc
+CopyArtifact.FailedToCopy={0} \u304b\u3089\u306e\u30b3\u30d4\u30fc\u306b\u5931\u6557\u3057\u307e\u3057\u305f: \u30d5\u30a3\u30eb\u30bf\u30fc {1}
+CopyArtifact.MatrixProject=\
+ \u3053\u306e\u30de\u30eb\u30c1\u69cb\u6210\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5168\u8a2d\u5b9a\u306e\u6210\u679c\u7269\u3092\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002\u7279\u5b9a\u306e\u8a2d\u5b9a\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u306f\u30d8\u30eb\u30d7\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002
+CopyArtifact.MavenProject=\
+ \u3053\u306eMaven2\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5168\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u6210\u679c\u7269\u3092\u30b3\u30d4\u30fc\u3057\u307e\u3059\u3002\u7279\u5b9a\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u306f\u30d8\u30eb\u30d7\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044
+CopyArtifact.MissingBuild=\u30b3\u30d4\u30fc\u5143\u306e\u30d3\u30eb\u30c9\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093: {0}
+CopyArtifact.MissingProject=\u30b3\u30d4\u30fc\u5143\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093: {0}
+CopyArtifact.MissingWorkspace=\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\u3002\u30b9\u30ec\u30fc\u30d6\u30ce\u30fc\u30c9\u304c\u30aa\u30d5\u30e9\u30a4\u30f3\u304b\u3082s\u308c\u307e\u305b\u3093\u3002
+CopyArtifact.ParameterizedName=\u5024\u304c\u30d3\u30eb\u30c9\u30d1\u30e9\u30e1\u30fc\u30bf\u306a\u306e\u3067\u3001\u30c1\u30a7\u30c3\u30af\u3067\u304d\u307e\u305b\u3093\u3002
+PermalinkBuildSelector.DisplayName=\u7279\u5b9a\u306e\u6c38\u7d9a\u30ea\u30f3\u30af
+StatusBuildSelector.DisplayName=\u6700\u65b0\u306e\u6210\u529f\u30d3\u30eb\u30c9
+SavedBuildSelector.DisplayName=\u6700\u65b0\u306e\u4fdd\u5b58\u30d3\u30eb\u30c9 ("\u30d3\u30eb\u30c9\u3092\u4fdd\u5b58"\u3092\u9078\u629e\u3057\u305f\u30d3\u30eb\u30c9)
+SpecificBuildSelector.DisplayName=\u7279\u5b9a\u306e\u30d3\u30eb\u30c9
+ParameterizedBuildSelector.DisplayName=\u7279\u5b9a\u306e\u30d3\u30eb\u30c9\u30d1\u30e9\u30e1\u30fc\u30bf
+BuildSelectorParameter.DisplayName=Copy Artifact\u7528\u30d3\u30eb\u30c9\u30bb\u30ec\u30af\u30bf\u30fc
+WorkspaceSelector.DisplayName=\u6700\u65b0\u306e\u5b8c\u4e86\u3057\u305f\u30d3\u30eb\u30c9\u306e\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u304b\u3089\u30b3\u30d4\u30fc