diff --git a/sop-java-picocli/src/main/java/sop/cli/picocli/commands/DecryptCmd.java b/sop-java-picocli/src/main/java/sop/cli/picocli/commands/DecryptCmd.java
index 090276f..3a845b4 100644
--- a/sop-java-picocli/src/main/java/sop/cli/picocli/commands/DecryptCmd.java
+++ b/sop-java-picocli/src/main/java/sop/cli/picocli/commands/DecryptCmd.java
@@ -199,7 +199,7 @@ public class DecryptCmd implements Runnable {
             try {
                 sessionKey = FileUtil.stringFromInputStream(FileUtil.getFileInputStream(sessionKeyFile));
             } catch (IOException e) {
-                throw new SOPGPException.BadData("Cannot read session key from session key file " + sessionKeyFile, e);
+                throw new RuntimeException(e);
             }
             if (!sessionKeyPattern.matcher(sessionKey).matches()) {
                 throw new IllegalArgumentException("Session keys are expected in the format 'ALGONUM:HEXKEY'.");
@@ -224,7 +224,7 @@ public class DecryptCmd implements Runnable {
             } catch (SOPGPException.UnsupportedOption unsupportedOption) {
                 throw new SOPGPException.UnsupportedOption(String.format(ERROR_UNSUPPORTED_OPTION, "--with-password"), unsupportedOption);
             } catch (IOException e) {
-                throw new SOPGPException.PasswordNotHumanReadable("Cannot read password from password file " + passwordFile, e);
+                throw new RuntimeException(e);
             }
         }
     }
diff --git a/sop-java-picocli/src/main/java/sop/cli/picocli/commands/EncryptCmd.java b/sop-java-picocli/src/main/java/sop/cli/picocli/commands/EncryptCmd.java
index 47447d2..8d26742 100644
--- a/sop-java-picocli/src/main/java/sop/cli/picocli/commands/EncryptCmd.java
+++ b/sop-java-picocli/src/main/java/sop/cli/picocli/commands/EncryptCmd.java
@@ -75,7 +75,7 @@ public class EncryptCmd implements Runnable {
             } catch (SOPGPException.UnsupportedOption unsupportedOption) {
                 throw new SOPGPException.UnsupportedOption("Unsupported option '--with-password'.", unsupportedOption);
             } catch (IOException e) {
-                throw new SOPGPException.PasswordNotHumanReadable("Cannot read password from the provided password file " + passwordFileName, e);
+                throw new RuntimeException(e);
             }
         }
 
diff --git a/sop-java-picocli/src/test/java/sop/cli/picocli/commands/DecryptCmdTest.java b/sop-java-picocli/src/test/java/sop/cli/picocli/commands/DecryptCmdTest.java
index 54a8485..f04026d 100644
--- a/sop-java-picocli/src/test/java/sop/cli/picocli/commands/DecryptCmdTest.java
+++ b/sop-java-picocli/src/test/java/sop/cli/picocli/commands/DecryptCmdTest.java
@@ -345,6 +345,18 @@ public class DecryptCmdTest {
         SopCLI.main(new String[] {"decrypt", tempKeyFile.getAbsolutePath()});
     }
 
+    @Test
+    @ExpectSystemExitWithStatus(61)
+    public void assertMissingPassphraseFileCausesExit61() {
+        SopCLI.main(new String[] {"decrypt", "--with-password", "missing"});
+    }
+
+    @Test
+    @ExpectSystemExitWithStatus(61)
+    public void assertMissingSessionKeyFileCausesExit61() {
+        SopCLI.main(new String[] {"decrypt", "--with-session-key", "missing"});
+    }
+
     @Test
     @ExpectSystemExitWithStatus(23)
     public void verifyOutWithoutVerifyWithCausesExit23() {
diff --git a/sop-java-picocli/src/test/java/sop/cli/picocli/commands/VersionCmdTest.java b/sop-java-picocli/src/test/java/sop/cli/picocli/commands/VersionCmdTest.java
index 98ea58e..d11352d 100644
--- a/sop-java-picocli/src/test/java/sop/cli/picocli/commands/VersionCmdTest.java
+++ b/sop-java-picocli/src/test/java/sop/cli/picocli/commands/VersionCmdTest.java
@@ -26,6 +26,8 @@ public class VersionCmdTest {
         version = mock(Version.class);
         when(version.getName()).thenReturn("MockSop");
         when(version.getVersion()).thenReturn("1.0");
+        when(version.getExtendedVersion()).thenReturn("MockSop Extended Version Information");
+        when(version.getBackendVersion()).thenReturn("Foo");
         when(sop.version()).thenReturn(version);
 
         SopCLI.setSopInstance(sop);
@@ -38,6 +40,18 @@ public class VersionCmdTest {
         verify(version, times(1)).getName();
     }
 
+    @Test
+    public void assertExtendedVersionCommandWorks() {
+        SopCLI.main(new String[] {"version", "--extended"});
+        verify(version, times(1)).getExtendedVersion();
+    }
+
+    @Test
+    public void assertBackendVersionCommandWorks() {
+        SopCLI.main(new String[] {"version", "--backend"});
+        verify(version, times(1)).getBackendVersion();
+    }
+
     @Test
     @ExpectSystemExitWithStatus(37)
     public void assertInvalidOptionResultsInExit37() {